@techreport{jorrand85,
  author = {Jorrand, {\relax Ph}ilippe and 
                 Hufflen, Jean-Michel and Marty, Annick
                 and Marty, Jean-{\relax Ch}arles and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {{FP2}: {T}he Language and its Formal Definition},
  type = {Research Report},
  number = {537},
  year = {1985},
  month = may,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France},
  lsvhowpublished = {Esprit Project 415, Deliverable D1}
}
@techreport{schnoebelen85,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {The Semantics of Concurrency in {FP2}},
  type = {Research Report},
  number = {558},
  year = {1985},
  month = oct,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France}
}
@mastersthesis{schnoebelen85b,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {S{\'e}mantique du parall{\'e}lisme en {FP2}},
  year = {1985},
  month = jun,
  type = {Rapport de {DEA}},
  school = {Universit{\'e} de Grenoble, France}
}
@techreport{microfp2,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {{\(\mu\)-FP2}: {A} Prototype Interpreter for {FP2}},
  type = {Research Report},
  number = {573},
  year = {1986},
  month = jan,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France}
}
@techreport{schnoebelen86,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {About the Implementation of {FP2}},
  type = {Research Report},
  number = {574},
  year = {1986},
  month = jan,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France}
}
@inproceedings{schaefer87,
  address = {Eindhoven, The Netherlands},
  month = jun,
  year = 1987,
  volume = 258,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {de Bakker, Jaco W. and Nijman, A. J. and
            Treleaven, Philip C.},
  acronym = {{PARLE}'87},
  booktitle = {{P}roceedings of the 1st {I}nternational {C}onference
               {P}arallel {A}rchitectures and {L}anguages {E}urope
               ({PARLE}'87),
               {V}olume~{I}: {P}arallel {A}rchitectures},
  author = {Sch{\"a}fer, Peter and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {Specification of a Pipelined Event-Driven Simulator
                 Using~{FP2}},
  pages = {311-328},
  doi = {10.1007/3-540-17943-7_136}
}
@inproceedings{schnoebelen87,
  address = {Eindhoven, The Netherlands},
  month = jun,
  year = 1987,
  volume = 259,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {de Bakker, Jaco W. and Nijman, A. J. and
            Treleaven, Philip C.},
  acronym = {{PARLE}'87},
  booktitle = {{P}roceedings of the 1st {I}nternational {C}onference
               {P}arallel {A}rchitectures and {L}anguages {E}urope
               ({PARLE}'87),
               {V}olume~{II}: {P}arallel {L}anguages},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Rewriting Techniques for the Temporal Analysis of
                 Communicating Processes},
  pages = {402-419},
  doi = {10.1007/3-540-17945-3_23}
}
@article{schnoebelen87b,
  publisher = {Elsevier Science Publishers},
  journal = {Science of Computer Programming},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Refined Compilation of Pattern-Matching for Functional
                 Languages},
  volume = {11},
  number = {2},
  pages = {133-159},
  year = {1988},
  month = dec,
  doi = {10.1016/0167-6423(88)90002-0}
}
@inproceedings{schnoebelen88,
  address = {Gaussig, German Democratic Republic},
  month = nov,
  year = 1988,
  volume = 343,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {Grabowski, Jan and Lescanne, Pierre and
            Wechler, Wolfgang},
  acronym = {{ALP}'88},
  booktitle = {{P}roceedings of the 1st {I}nternational
               {W}orkshop on {A}lgebraic and {L}ogic {P}rogramming
               ({ALP}'88)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Refined Compilation of Pattern-Matching for Functional
                 Languages},
  pages = {233-243},
  doi = {10.1007/3-540-50667-5_75}
}
@techreport{tica-report,
  author = {Schnoebelen, {\relax Ph}ilippe and Lugiez, Denis 
                  and Comon, Hubert},
  title = {A Semantics for Polymorphic Subtypes in Computer
                 Algebra},
  type = {Research Report},
  number = {711},
  year = {1988},
  month = mar,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France}
}
@misc{jorrand89,
  author = {Jorrand, {\relax Ph}ilippe and 
                 Hufflen, Jean-Michel and 
                 Ib{\'a}{\~n}ez, Mar{\'\i}a Blanca and 
                 Karasek, T. and Rog\'e, S. and 
                 Schnoebelen, {\relax Ph}ilippe and V{\'e}ron, A.},
  missingauthor = {},
  title = {Parallel Specification of the Connection Method on an
                 {FP2} Machine},
  year = {1989},
  month = oct,
  howpublished = {Esprit Project 415, Deliverable D17}
}
@incollection{schnoebelen89,
  author = {Schnoebelen, {\relax Ph}ilippe and Jorrand, {\relax Ph}ilippe},
  title = {Principles of {FP2}: {T}erm Algebras for Specification
                 of Parallel Machines},
  editor = {de Bakker, Jaco W.},
  booktitle = {Languages for Parallel Architectures: {D}esign,
                 Semantics, Implementation Models},
  chapter = {5},
  pages = {223-273},
  year = {1989},
  publisher = {John Wiley \& Sons, Ltd.},
  month = dec
}
@techreport{belmesk90,
  author = {Belmesk, Zoubir and Schnoebelen, {\relax Ph}ilippe},
  title = {Une g{\'e}n{\'e}ralisation des pr{\'e}sentations {FP2}
                 bas{\'e}e sur la th{\'e}orie des r{\'e}seaux},
  type = {Research Report},
  number = {832-I},
  year = {1990},
  month = nov,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France}
}
@inproceedings{belmesk90b,
  address = {Paris, France},
  month = jun,
  year = 1990,
  editor = {Finkel, Alain},
  acronym = {{APN}'90},
  booktitle = {{P}roceedings of the 11th
               {I}nternational {C}onference on
               {A}pplications and {T}heory of {P}etri {N}ets
               ({APN}'90)},
  author = {Autant, Cyril and Belmesk, Zoubir and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {A Net-Theoretic Approach to the Efficient
                 Implementation of the {FP2} Parallel Language},
  pages = {451-470}
}
@inproceedings{schnoebelen89b,
  address = {Copenhagen, Denmark},
  month = may,
  year = 1990,
  volume = 432,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {Jones, Neil D.},
  acronym = {{ESOP}'90},
  booktitle = {{P}roceedings of the 3rd
               {E}uropean {S}ymposium on {P}rogramming
               ({ESOP}'90)},
  author = {Schnoebelen, {\relax Ph}ilippe and Pinchinat, Sophie},
  title = {On the Weak Adequacy of Branching-Time Temporal
                 Logic},
  pages = {377-388},
  doi = {10.1007/3-540-52592-0_75}
}
@techreport{schnoebelen89c,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Congruence Properties of the Process Equivalence
                 Induced by Temporal Logic},
  type = {Research Report},
  number = {831-I},
  year = {1990},
  month = oct,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France}
}
@phdthesis{schnoebelen90,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {S{\'e}mantique du parall{\'e}lisme et logique
                 temporelle. {A}pplication au langage {FP2}},
  year = {1990},
  month = jun,
  type = {Th{\`e}se de doctorat},
  school = {Institut National Polytechnique de Grenoble, France}
}
@inproceedings{autant90b,
  address = {Eindhoven, The Netherlands},
  month = jun,
  year = 1991,
  volume = 506,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {Aarts, Emile H. L. and van Leeuwen, Jan and
            Rem, Martin},
  acronym = {{PARLE}'91},
  booktitle = {{P}roceedings of the 3rd {I}nternational {C}onference
               {P}arallel {A}rchitectures and {L}anguages {E}urope
               ({PARLE}'91),
               {V}olume~{II}: {P}arallel {L}anguages},
  author = {Autant, Cyril and Belmesk, Zoubir and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Strong Bisimilarity on Nets Revisited},
  pages = {295-312},
  doi = {10.1007/3-540-54152-7_71}
}
@article{cherief90,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Cherief, Ferroudja and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {{\(\tau\)}-Bisimulations and Full Abstraction for
                 Refinement of Actions},
  volume = {40},
  number = {4},
  pages = {219-222},
  year = {1991},
  month = nov,
  doi = {10.1016/0020-0190(91)90081-R}
}
@article{comon91,
  publisher = {Elsevier Science Publishers},
  journal = {Journal of Symbolic Computation},
  author = {Comon, Hubert and Lugiez, Denis and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {A Rewrite-Based Type Discipline for a Subset of
                 Computer Algebra},
  volume = {11},
  number = {4},
  pages = {349-368},
  year = {1991},
  month = apr
}
@inproceedings{schnoebelen91,
  address = {Amsterdam, The Netherlands},
  month = aug,
  year = 1991,
  volume = 527,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {Baeten, Jos C. M. and Groote, Jan Friso},
  acronym = {{CONCUR}'91},
  booktitle = {{P}roceedings of the 2nd 
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'91)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Experiments on Processes with Backtracking},
  pages = {480-494},
  doi = {10.1007/3-540-54430-5_108}
}
@inproceedings{autant92,
  address = {Sheffield, UK},
  month = jun,
  year = 1992,
  volume = 616,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {Jensen, Kurt},
  acronym = {{APN}'92},
  booktitle = {{P}roceedings of the 13th
               {I}nternational {C}onference on
               {A}pplications and {T}heory of {P}etri {N}ets
               ({APN}'92)},
  author = {Autant, Cyril and Schnoebelen, {\relax Ph}ilippe},
  title = {Place Bisimulations in {P}etri Nets},
  pages = {45-61},
  doi = {10.1007/3-540-55676-1_3}
}
@inproceedings{laroussinie93,
  address = {Twente, The Netherlands},
  year = 1994,
  series = {Workshops in Computing},
  publisher = {Springer-Verlag},
  editor = {Nivat, Maurice and Rattray, Charles and Rus, Teodor
            and Scollo, Giuseppe},
  acronym = {{AMAST}'93},
  booktitle = {{P}roceedings of the 3rd {I}nternational
               {C}onference on {A}lgebraic {M}ethodology and
               {S}oftware {T}echnology
               ({AMAST}'93)},
  author = {Laroussinie, Fran{\c{c}}ois and Pinchinat, Sophie 
                 and Schnoebelen, {\relax Ph}ilippe},
  title = {Translation Results for Modal Logics of Reactive
                 Systems},
  pages = {299-310}
}
@inproceedings{autant94,
  address = {Peterborough, Ontario, Canada},
  month = may,
  year = 1994,
  missinghowpublished = {},
  lsv-info = {Published as JCI 1(1), 1995 --> journals ??},
  acronym = {{ICCI}'94},
  booktitle = {{P}roceedings of the 6th {I}nternational 
               {C}onference on {C}omputing and {I}nformation
               ({ICCI}'94)},
  author = {Autant, Cyril and Pfister, Wilfried and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Place Bisimulations for the Reduction of Labeled
                 {P}etri Nets with Silent Moves},
  pages = {230-246},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/APS-icci94.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/APS-icci94.ps}
}
@inproceedings{laroussinie94,
  address = {Caen, France},
  month = feb,
  year = 1994,
  volume = 775,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {Enjalbert, Patrice and Mayr, Ernst W. and 
            Wagner, Klaus W.},
  acronym = {{STACS}'94},
  booktitle = {{P}roceedings of the 11th {A}nnual
               {S}ymposium on {T}heoretical {A}spects of
               {C}omputer {S}cience
               ({STACS}'94)},
  author = {Laroussinie, Fran{\c{c}}ois and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {A Hierarchy of Temporal Logics with Past},
  pages = {47-58},
  doi = {10.1007/3-540-57785-8_130}
}
@techreport{pinchinat94,
  author = {Pinchinat, Sophie and Laroussinie, Fran{\c{c}}ois 
                 and Schnoebelen, {\relax Ph}ilippe},
  title = {Logical Characterizations of Truly Concurrent
                 Bisimulation},
  type = {Technical Report},
  number = {114},
  year = {1994},
  month = mar,
  institution = {Laboratoire d'Informatique Fondamentale et 
                 d'Intelligence Artificielle, Grenoble, France},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/PLS-rrimag114.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/PLS-rrimag114.ps}
}
@article{laroussinie94b,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Laroussinie, Fran{\c{c}}ois and Pinchinat, Sophie 
                 and Schnoebelen, {\relax Ph}ilippe},
  title = {Translations between Modal Logics of Reactive
                 Systems},
  volume = {140},
  number = {1},
  pages = {53-71},
  year = {1995},
  month = mar,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LPS-TCS95.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LPS-TCS95.ps},
  doi = {10.1016/0304-3975(94)00204-V}
}
@article{laroussinie94c,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Laroussinie, Fran{\c{c}}ois and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {A Hierarchy of Temporal Logics with Past},
  volume = {148},
  number = {2},
  pages = {303-324},
  year = {1995},
  month = sep,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LarSch-TCS95.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LarSch-TCS95.ps},
  doi = {10.1016/0304-3975(95)00035-U}
}
@inproceedings{schnoebelen95,
  address = {Yaroslavl, Russia},
  month = nov,
  year = 1995,
  publisher = {Yaroslavl University Press},
  booktitle = {{P}roceedings of the {C}onference 
                      {P}robl{\`e}mes {A}ctuels des {S}ciences 
                      {N}aturelles et {H}umaines},
  author = {Schnoebelen, {\relax Ph}ilippe and 
                  Laroussinie, Fran{\c{c}}ois},
  title = {Temporal Logic with Past for the Specification and
                 Verification of Reactive Systems},
  pages = {143-146},
  note = {Invited talk}
}
@inproceedings{kouchnarenko96,
  address = {Bordeaux, France},
  month = may,
  year = 1996,
  acronym = {{RENPAR}'96},
  booktitle = {{A}ctes des 8{\`e}mes {R}encontres 
               {F}rancophones du {P}arall{\'e}lisme
               ({RENPAR}'96)},
  author = {Kouchnarenko, Olga and Schnoebelen, {\relax Ph}ilippe},
  title = {Mod{\`e}les formels pour les programmes
                 r{\'e}cursifs-parall{\`e}les},
  pages = {85-88},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/KouSch-renpar96.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/KouSch-renpar96.ps}
}
@inproceedings{laroussinie96fac,
  address = {Toulouse, France},
  month = feb,
  year = 1996,
  acronym = {{FAC}'96},
  booktitle = {{A}ctes des 5{\`e}mes {J}ourn{\'e}es sur la 
               {F}ormalisation des {A}ctivit{\'e}s {C}oncurrentes
               ({FAC}'96)},
  author = {Laroussinie, Fran{\c{c}}ois and Schnoebelen, {\relax Ph}ilippe},
  title = {Translations for Model-Checking Temporal Logic with
                 Past},
  pages = {17-19},
  note = {Invited talk}
}
@inproceedings{kouchnarenko97,
  address = {Yaroslavl, Russia},
  month = sep,
  year = 1997,
  volume = 1277,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Malyshkin, Victor E.},
  acronym = {{PaCT}'97},
  booktitle = {{P}roceedings of the 4th {I}nternational
               {C}onference on {P}arallel {C}omputing
               {T}echnologies
               ({PaCT}'97)},
  author = {Kouchnarenko, Olga and Schnoebelen, {\relax Ph}ilippe},
  title = {A Formal Framework for the Analysis of
                 Recursive-Parallel Programs},
  pages = {45-59},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/KusSch-pact97.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/KusSch-pact97.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/KusSch-pact97.pdf},
  doi = {10.1007/3-540-63371-5_6}
}
@inproceedings{kouchnarenko97b,
  address = {Pisa, Italy},
  year = 1997,
  volume = 5,
  series = {Electronic Notes in Theoretical Computer Science},
  publisher = {Elsevier Science Publishers},
  editor = {Steffen, B. and Caucal, Didier},
  acronym = {{INFINITY}'96},
  booktitle = {{P}roceedings of the 1st {I}nternational 
               {W}orkshop on {V}erification of {I}nfinite
               {S}tate {S}ystems
               ({INFINITY}'96)},
  author = {Kouchnarenko, Olga and Schnoebelen, {\relax Ph}ilippe},
  title = {A Model for Recursive-Parallel Programs},
  pages = {30},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/KouSch-infin96.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/KouSch-infin96.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/KouSch-infin96.pdf},
  doi = {10.1016/S1571-0661(05)82512-5}
}
@inproceedings{laroussinie97,
  address = {Santa Margherita Ligure, Italy},
  month = sep,
  year = 1997,
  volume = 7,
  series = {Electronic Notes in Theoretical Computer Science},
  publisher = {Elsevier Science Publishers},
  editor = {Palamidessi, Catuscia and Parrow, Joachim},
  acronym = {{EXPRESS}'97},
  booktitle = {{P}roceedings of the 4th {I}nternational
               {W}orkshop on {E}xpressiveness in
               {C}oncurrency
               ({EXPRESS}'97)},
  author = {Laroussinie, Fran{\c{c}}ois and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {Specification in {CTL}+{P}ast, Verification in {CTL}},
  pages = {161-184},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/LarSch-express97.pdf},
  ps = {LarSch-express97.ps},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/LarSch-express97.pdf},
  doi = {10.1016/S1571-0661(05)80472-4}
}
@techreport{DD1-98,
  author = {Laroussinie, Fran{\c{c}}ois and Petit, Antoine and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Le model-checking, une technique de 
                 v{\'e}rification en
                 plein essor. {I}~--- {P}rincipes et techniques},
  year = {1998},
  month = oct,
  type = {Contract Report},
  institution = {EDF/DER/MOS - LSV},
  lsv-lang = {FR}
}
@techreport{DD2-98,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Le model-checking, une technique de 
                 v{\'e}rification en
                 plein essor. {III}~--- {S}p{\'e}cifier pour  
                 v{\'e}rifier},
  year = {1998},
  month = oct,
  type = {Contract Report},
  institution = {EDF/DER/MOS - LSV},
  lsv-lang = {FR}
}
@techreport{DD3-98,
  author = {B{\'e}rard, B{\'e}atrice and 
                  C{\'e}c{\'e}, G{\'e}rard and 
                 Dufourd, Catherine and Finkel, Alain and
                 Laroussinie, Fran{\c{c}}ois and Petit, Antoine and 
                 Schnoebelen, {\relax Ph}ilippe and 
                 Sutre, Gr{\'e}goire},
  title = {Le model-checking, une technique de 
                 v{\'e}rification en
                 plein essor. {II}~--- {Q}uelques outils},
  year = {1998},
  month = oct,
  type = {Contract Report},
  institution = {EDF/DER/MOS - LSV},
  lsv-lang = {FR}
}
@inproceedings{demri98,
  address = {Paris, France},
  month = feb,
  year = 1998,
  volume = 1373,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Morvan, Michel and Meinel, {\relax Ch}ristoph and
            Krob, Daniel},
  acronym = {{STACS}'98},
  booktitle = {{P}roceedings of the 15th {A}nnual
               {S}ymposium on {T}heoretical {A}spects of
               {C}omputer {S}cience
               ({STACS}'98)},
  author = {Demri, St{\'e}phane and Schnoebelen, {\relax Ph}ilippe},
  title = {The Complexity of Propositional Linear Temporal Logics
                 in Simple Cases (Extended Abstract)},
  pages = {61-72},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DemSch-stacs98.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DemSch-stacs98.ps},
  doi = {10.1007/BFb0028549}
}
@inproceedings{dufourd98,
  address = {Aalborg, Denmark},
  month = jul,
  year = 1998,
  volume = 1443,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Larsen, Kim G. and Skyum, Sven and Winskel, Glynn},
  acronym = {{ICALP}'98},
  booktitle = {{P}roceedings of the 25th {I}nternational 
               {C}olloquium on {A}utomata, {L}anguages and 
               {P}rogramming
               ({ICALP}'98)},
  author = {Dufourd, Catherine and Finkel, Alain and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Reset Nets between Decidability and 
                 Undecidability},
  pages = {103-115},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DFS-icalp98.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DFS-icalp98.ps},
  doi = {10.1007/BFb0055044},
  abstract = {We study Petri nets with Reset arcs (also Transfer and
                 Doubling arcs) in combination with other extensions of
                 the basic Petri net model. While Reachability is
                 undecidable in all these extensions (indeed they are
                 Turing-powerful), we exhibit unexpected frontiers for
                 the decidability of Termination, Coverability,
                 Boundedness and place-Boundedness. In particular, we
                 show counter-intuitive separations between seemingly
                 related problems. Our main theorem is the very
                 surprising fact that boundedness is undecidable for
                 Petri nets with Reset arcs.}
}
@inproceedings{finkel98,
  address = {Campinas, Brasil},
  month = apr,
  year = 1998,
  volume = 1380,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Lucchesi, Claudio L. and Moura, Arnaldo V.},
  acronym = {{LATIN}'98},
  booktitle = {{P}roceedings of the 3rd {L}atin {A}merican
               {S}ymposium on {T}heoretical {I}nformatics
               ({LATIN}'98)},
  author = {Finkel, Alain and Schnoebelen, {\relax Ph}ilippe},
  title = {Fundamental Structures in Well-Structured Infinite
                 Transition Systems},
  pages = {102-118},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/FinSch-latin98.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/FinSch-latin98.ps},
  doi = {10.1007/BFb0054314}
}
@inproceedings{lugiez98,
  address = {Nice, France},
  month = sep,
  year = 1998,
  volume = 1466,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Sangiorgi, Davide and de Simone, Robert},
  acronym = {{CONCUR}'98},
  booktitle = {{P}roceedings of the 9th 
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'98)},
  author = {Lugiez, Denis and Schnoebelen, {\relax Ph}ilippe},
  title = {The Regular Viewpoint on {PA}-Processes},
  pages = {50-66},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/LugSch-concur98.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/LugSch-concur98.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LugSch-concur98.ps},
  doi = {10.1007/BFb0055615}
}
@misc{phs-infinity98,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Regular Tree Languages for Process Algebra},
  year = 1998,
  month = jul,
  howpublished = {Invited lecture, 3rd {I}nternational 
               {W}orkshop on {V}erification of {I}nfinite
               {S}tate {S}ystems
               ({INFINITY}'98), Aalborg, Denmark}
}
@book{docdor99,
  author = {Schnoebelen, {\relax Ph}ilippe and 
                 B{\'e}rard, B{\'e}atrice and Bidoit, Michel
                 and Laroussinie, Fran{\c{c}}ois and Petit, Antoine},
  title = {V{\'e}rification de logiciels : techniques et 
                 outils du model-checking},
  year = {1999},
  month = apr,
  publisher = {Vuibert},
  isbn = {2-7117-8646-3},
  url = {http://www.vuibert.com/livre593.html},
  lsv-lang = {FR}
}
@inproceedings{dufourd99,
  address = {Prague, Czech Republic},
  month = jul,
  year = 1999,
  volume = 1644,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Wiedermann, Jir{\'i} and van Emde Boas, Peter and
            Nielsen, Mogens},
  acronym = {{ICALP}'99},
  booktitle = {{P}roceedings of the 26th {I}nternational 
               {C}olloquium on {A}utomata, {L}anguages and 
               {P}rogramming
               ({ICALP}'99)},
  author = {Dufourd, Catherine and Jan{\v c}ar, Petr and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Boundedness of Reset {P/T} Nets},
  pages = {301-310},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DJS-icalp99.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DJS-icalp99.ps},
  abstract = {P/T nets with reset and transfer arcs can be seen as
                 counter-machines with some restricted set of
                 operations. Surprisingly, several problems related to
                 boundedness are harder for Reset nets than for the more
                 expressive Transfer nets. Our main result is that
                 boundedness is undecidable for nets with three reset
                 arcs, while it is decidable for nets with two resetable
                 places.}
}
@article{schnoebelen99,
  publisher = {European Association for 
                 Theoretical Computer Science},
  journal = {EATCS Bulletin},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Decomposable Regular Languages and the Shuffle
                 Operator},
  volume = {67},
  pages = {283-289},
  year = {1999},
  month = feb,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-BEATCS99.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-BEATCS99.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-BEATCS99.pdf}
}
@inproceedings{SchSid-atpn2000,
  address = {\AA rhus, Denmark},
  month = jun,
  year = 2000,
  volume = 1825,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Nielsen, Mogens and Simpson, Dan},
  acronym = {{ICATPN} 2000},
  booktitle = {{P}roceedings of the 21st
               {I}nternational {C}onference on
               {A}pplications and {T}heory of {P}etri {N}ets
               ({ICATPN} 2000)},
  author = {Schnoebelen, {\relax Ph}ilippe and 
                  Sidorova, Natalia},
  title = {Bisimulation and the Reduction of {P}etri Nets},
  pages = {409-423},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/SchSid-atpn2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/SchSid-atpn2000.ps}
}
@inproceedings{VULC-icp2000,
  address = {Utrecht, The Netherlands},
  month = oct,
  year = {2000},
  optaddress = {Zaltbommel, The Netherlands},
  publisher = {PLCopen},
  acronym = {{ICP} 2000},
  booktitle = {{P}roceedings of the 4th {I}nternational
               {PLC}open {C}onference on {I}ndustrial
               {C}ontrol {P}rogramming
               ({ICP} 2000)},
  author = {De{~}Smet, Olivier and Couffin, Sandrine and 
                 Rossi, Olivier and 
                 Canet, G{\'e}raud
                 and Lesage, Jean-Jacques and 
                 Schnoebelen, {\relax Ph}ilippe and Papini, H{\'e}l{\`e}ne},
  title = {Safe Programming of {PLC} Using Formal Verification
                 Methods},
  pages = {73-78},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/VULC-icp2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/VULC-icp2000.ps}
}
@inproceedings{bls-fossacs2000,
  address = {Berlin, Germany},
  month = mar,
  year = 2000,
  volume = 1784,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Tiuryn, Jerzy},
  acronym = {{FoSSaCS} 2000},
  booktitle = {{P}roceedings of the 3rd {I}nternational 
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS} 2000)},
  author = {B{\'e}rard, B{\'e}atrice and Labroue, Anne and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Verifying Performance Equivalence for {T}imed 
                 {B}asic {P}arallel {P}rocesses},
  pages = {35-47},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BLS-fossacs2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BLS-fossacs2000.ps}
}
@inproceedings{cclps-smc2000,
  address = {Nashville, Tennessee, USA},
  month = oct,
  year = 2000,
  publisher = {Argos Press},
  acronym = {{SMC} 2000},
  booktitle = {{P}roceedings of the {IEEE} {I}nternational
               {C}onference on {S}ystems, {M}an and {C}ybernetics
               ({SMC} 2000)},
  author = {Canet, G{\'e}raud and Couffin, Sandrine and 
                 Lesage, Jean-Jacques and Petit, Antoine
                 and Schnoebelen, {\relax Ph}ilippe},
  title = {Towards the Automatic Verification of {PLC} 
                 Programs
                 Written in {I}nstruction {L}ist},
  pages = {2449-2454},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CCLPS-smc2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CCLPS-smc2000.ps},
  doi = {10.1109/ICSMC.2000.884359},
  abstract = {We propose a framework for the automatic verification of PLC
  (programmable logic controller) programs written in Instruction List, one of
  the five languages defined in the IEC 61131-3 standard. We~propose a formal
  semantics for a significant fragment of the IL language, and a direct coding
  of this semantics into a model checking tool. We then automatically verify
  rich behavioral properties written in linear temporal logic. Our~approach is
  illustrated on the example of the tool-holder of a turning center}
}
@inproceedings{cdprs-cifa2000,
  address = {Lille, France},
  month = jul,
  year = 2000,
  optaddress = {Villeneuve d'Ascq, France},
  publisher = {Union des Chercheurs Ing{\'e}nieurs et {S}cientifiques, Villeneuve d'Ascq, France},
  editor = {Borne, Pierre and Richard, Jean-Pierre and
            Vanheeghe, {\relax Ph}ilippe},
  acronym = {{CIFA} 2000},
  booktitle = {{A}ctes de la 1{\`e}re {C}onf{\'e}rence 
               {I}nternationale {F}rancophone
               d'{A}utomatique
               ({CIFA} 2000)},
  author = {Canet, G{\'e}raud and Denis, Bruno and 
                 Petit, Antoine and Rossi, Olivier and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Un cadre pour la v{\'e}rification automatique de
                 programmes~{IL}},
  pages = {693-698},
  noisbn = {2-9512309-1-5},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CDPRS-cifa2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CDPRS-cifa2000.ps},
  lsv-lang = {FR}
}
@article{laroussinie98,
  publisher = {Elsevier Science Publishers},
  journal = {Information and Computation},
  author = {Laroussinie, Fran{\c{c}}ois and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {Specification in {CTL}+Past for verification in
                 {CTL}},
  volume = {156},
  number = {1-2},
  pages = {236-263},
  year = {2000},
  month = jan,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LarSch-IC98.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LarSch-IC98.ps},
  doi = {10.1006/inco.1999.2817}
}
@inproceedings{larsch-fossacs2000,
  address = {Berlin, Germany},
  month = mar,
  year = 2000,
  volume = 1784,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Tiuryn, Jerzy},
  acronym = {{FoSSaCS} 2000},
  booktitle = {{P}roceedings of the 3rd {I}nternational 
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS} 2000)},
  author = {Laroussinie, Fran{\c{c}}ois and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {The State-Explosion Problem from Trace to 
                  Bisimulation Equivalence},
  pages = {192-207},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LarSch-fossacs2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LarSch-fossacs2000.ps}
}
@inproceedings{lomazova99,
  address = {Novosibirsk, Russia},
  year = 2000,
  volume = 1755,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Bj{\o}rner, Dines and Broy, Manfred and 
            Zamulin, Alexandre V.},
  acronym = {{PSI}'99},
  booktitle = {{P}roceedings of the 3rd {I}nternational
               {A}ndrei {E}rshov {M}emorial {C}onference
               on {P}erspectives of {S}ystem {I}nformatics
               ({PSI}'99)},
  author = {Lomazova, Irina A. and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {Some Decidability Results for Nested {P}etri Nets},
  pages = {208-220},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LomSch-psi99.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LomSch-psi99.ps}
}
@inproceedings{lst-quant,
  address = {Punta del Este, Uruguay},
  month = apr,
  year = 2000,
  volume = 1776,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Gonnet, Gaston H. and Panario, Daniel and
            Viola, Alfredo},
  acronym = {{LATIN} 2000},
  booktitle = {{P}roceedings of the 4th {L}atin {A}merican
               {S}ymposium on {T}heoretical {I}nformatics
               ({LATIN} 2000)},
  author = {Laroussinie, Fran{\c{c}}ois and 
                 Schnoebelen, {\relax Ph}ilippe and
                 Turuani, Mathieu},
  title = {On the Expressivity and Complexity of Quantitative
                 Branching-Time Temporal Logics},
  pages = {437-446},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/LST-latin2000.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LST-latin2000.ps},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/LST-latin2000.pdf},
  doi = {10.1007/10719839_43}
}
@inproceedings{lugsch-icalp2000,
  address = {Geneva, Switzerland},
  month = jul,
  year = 2000,
  volume = 1853,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Montanari, Ugo and Rolim, Jos{\'e} D. P. and
            Welzl, Emo},
  acronym = {{ICALP} 2000},
  booktitle = {{P}roceedings of the 27th {I}nternational 
               {C}olloquium on {A}utomata, {L}anguages and 
               {P}rogramming
               ({ICALP} 2000)},
  author = {Lugiez, Denis and Schnoebelen, {\relax Ph}ilippe},
  title = {Decidable First-Order Transition Logics for
                 {PA}-Processes},
  pages = {342-353},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LugSch-icalp2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LugSch-icalp2000.ps}
}
@inproceedings{rossch-adpm2000,
  address = {Dortmund, Germany},
  month = sep,
  year = 2000,
  optaddress = {Aachen, Germany},
  publisher = {Shaker Verlag},
  editor = {Engell, Sebastian and Kowalewski, Stefan and 
            Zaytoon, Janan},
  acronym = {{ADPM} 2000},
  booktitle = {{P}roceedings of the 4th {I}nternational
               {C}onference on {A}utomation of {M}ixed
               {P}rocesses: {H}ybrid {D}ynamic {S}ystems
               ({ADPM} 2000)},
  author = {Rossi, Olivier and Schnoebelen, {\relax Ph}ilippe},
  title = {Formal modeling of timed function blocks for the
                 automatic verification of {L}adder {D}iagram 
                 programs},
  pages = {177-182},
  noisbn = {3-8265-7836-8},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/RosSch-adpm2000.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/RosSch-adpm2000.ps}
}
@misc{phs-jm2000,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Le probl{\`e}me de l'explosion du nombre 
                  d'{\'e}tats},
  year = {2000},
  month = mar,
  howpublished = {Invited talk, 8{\`e}me Journ\'ees Montoises 
                 d'Informatique Th\'eorique (JM 2000), 
                 Marne-la-Vall\'ee, France},
  lsv-lang = {FR}
}
@inproceedings{Sch-tacs2001,
  address = {Sendai, Japan},
  month = oct,
  year = 2001,
  volume = 2215,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Kobayashi, Naoki and Pierce, Benjamin C.},
  acronym = {{TACS}'01},
  booktitle = {{P}roceedings of the 4th {I}nternational
               {W}orkshop on {T}heoretical {A}spects of
               {C}omputer {S}oftware
               ({TACS}'01)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Bisimulation and Other Undecidable Equivalences for
                 Lossy Channel Systems},
  pages = {385-399},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-tacs2001.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-tacs2001.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-tacs2001.ps},
  abstract = {Lossy channel systems are systems of 
	finite state automata that communicate via unreliable 
	unbounded fifo channels. Today the main open question 
	in the theory of lossy channel systems is whether 
	bisimulation is decidable. \par
	We show that bisimulation, simulation, and in fact 
	all relations between bisimulation and trace 
	inclusion are undecidable for lossy channel systems 
	(and for lossy vector addition systems).}
}
@article{finkel98b,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Finkel, Alain and Schnoebelen, {\relax Ph}ilippe},
  title = {Well-Structured Transition Systems Everywhere!},
  volume = {256},
  number = {1-2},
  pages = {63-92},
  year = {2001},
  month = apr,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/FinSch-TCS99.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/FinSch-TCS99.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/FinSch-TCS99.ps},
  doi = {10.1016/S0304-3975(00)00102-X},
  abstract = {Well-structured transition systems 
	(WSTS's) are a general class of infinite state 
	systems for which decidability results rely on the 
	existence of a well-quasi-ordering between states 
	that is compatible with the transitions.\par
	In this article, we provide an extensive treatment 
	of the WSTS idea and show several new results.  
	Our improved definitions allow many examples of 
	classical systems to be seen as instances of 
	WSTS's.}
}
@inproceedings{lms-fossacs2001,
  address = {Genova, Italy},
  month = apr,
  year = 2001,
  volume = 2030,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Honsell, Furio and Miculan, Marino},
  acronym = {{FoSSaCS}'01},
  booktitle = {{P}roceedings of the 4th {I}nternational 
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS}'01)},
  author = {Laroussinie, Fran{\c{c}}ois and Markey, Nicolas and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Model checking {CTL}{\(^+\)} and {FCTL} is~hard},
  pages = {318-331},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-fossacs2001.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LMS-fossacs2001.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-fossacs2001.pdf},
  abstract = {Among the branching-time temporal logics used for the 
	specification and verification of systems, CTL\(^+\), FCTL and ECTL\(^+\) 
	are the
	most notable logics for which the precise computational complexity of
	model checking is not known. We answer this longstanding open 
	problem and show that model checking these (and some related) logics is
	\(\Delta_2^p\)-complete.}
}
@book{lsvmcbook01,
  author = {B{\'e}rard, B{\'e}atrice and Bidoit, Michel and Finkel, Alain 
                 and Laroussinie, Fran{\c{c}}ois and 
                 Petit, Antoine and Petrucci, Laure and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Systems and Software Verification. {M}odel-Checking
                 Techniques and Tools},
  year = {2001},
  missingmonth = {},
  missingnmonth = {},
  publisher = {Springer},
  isbn = {3-540-41523-8},
  url = {http://www.springer.com/978-3-540-41523-8},
  olderurl = {http://www.springer.de/cgi-bin/search_book.pl?isbn=3-540-41523-8}
}
@phdthesis{phs-hab-01,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Sp{\'e}cification et v{\'e}rification des syst{\`e}mes
                 concurrents},
  year = {2001},
  month = oct,
  type = {M{\'e}moire d'habilitation},
  school = {Universit{\'e} Paris~7, Paris, France},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/phs-habile.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/phs-habile.ps}
}
@inproceedings{DLS-stacs2002,
  address = {Antibes Juan-les-Pins, France},
  month = mar,
  year = 2002,
  volume = 2285,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Alt, Helmut and Ferreira, Afonso},
  acronym = {{STACS}'02},
  booktitle = {{P}roceedings of the 19th {A}nnual
               {S}ymposium on {T}heoretical {A}spects of
               {C}omputer {S}cience
               ({STACS}'02)},
  author = {Demri, St{\'e}phane and Laroussinie, Fran{\c{c}}ois and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {A Parametric Analysis of the State Explosion Problem
                 in Model Checking (Extended Abstract)},
  pages = {620-631},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/DLS-stacs2002.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DLS-stacs2002.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/DLS-stacs2002.pdf},
  abstract = {In model checking, the state explosion problem occurs when 
one checks a
\emph{non-flat system}, \emph{i.e.}~a system implicitly described as a
synchronized product of elementary subsystems. In this paper, we
investigate the complexity of a wide variety of model checking problems for
non-flat systems under the light of \emph{parameterized complexity}, taking
the number of synchronized components as a parameter. We provide precise
complexity measures (in the parameterized sense) for most of the problems
we investigate, and evidence that the results are robust.}
}
@article{DS-ICOMP2001,
  publisher = {Elsevier Science Publishers},
  journal = {Information and Computation},
  author = {Demri, St{\'e}phane and Schnoebelen, {\relax Ph}ilippe},
  title = {The Complexity of Propositional Linear Temporal Logics
                 in Simple Cases},
  volume = {174},
  number = {1},
  pages = {84-103},
  year = {2002},
  month = apr,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/DS-ICOMP2001.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DS-ICOMP2001.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/DS-ICOMP2001.pdf},
  doi = {10.1006/inco.2001.3094},
  abstract = {It is well-known that model 
	checking and satisfiability for PLTL are 
	PSPACE-complete. By contrast, very little is 
	known about whether there exist some 
	interesting fragments of PLTL with a lower 
	worst-case complexity. Such results would help 
	understand why PLTL model checkers are 
	successfully used in practice.\par
	In this paper we investigate this issue and 
	consider model checking and satisfiability for 
	all fragments of PLTL obtainable by 
	restricting (1) the temporal connectives 
	allowed, (2) the number of atomic 
	propositions, and (3) the temporal height.}
}
@inproceedings{HS-amast2002,
  address = {Saint Gilles les Bains, Reunion Island, France},
  month = sep,
  year = 2002,
  volume = 2422,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Kirchner, H{\'e}l{\`e}ne and 
            Ringeissen, {\relax Ch}ristophe},
  acronym = {{AMAST}'02},
  booktitle = {{P}roceedings of the 9th {I}nternational
               {C}onference on {A}lgebraic {M}ethodology and
               {S}oftware {T}echnology
               ({AMAST}'02)},
  author = {Hornus, Samuel and Schnoebelen, {\relax Ph}ilippe},
  title = {On Solving Temporal Logic Queries},
  pages = {163-177},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/HS-amast2002.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/HS-amast2002.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/HS-amast2002.ps},
  abstract = {Temporal query checking is an extension of temporal model 
checking where one asks what propositional formulae can be inserted in a 
temporal query (a temporal formula with a placeholder) so that the 
resulting formula is satisfied in the model at hand.\par
We study the problem of computing all minimal solutions to a temporal 
query without restricting to so-called {"}valid{"} queries (queries 
guaranteed to have a unique minimal solution). While this problem is 
intractable in general, we show that deciding uniqueness of the minimal 
solution (and computing it) can be done in polynomial-time. }
}
@inproceedings{LMS-fossacs2002,
  address = {Grenoble, France},
  month = apr,
  year = 2002,
  volume = 2303,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Nielsen, Mogens and Engberg, Uffe},
  acronym = {{FoSSaCS}'02},
  booktitle = {{P}roceedings of the 5th {I}nternational 
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS}'02)},
  author = {Laroussinie, Fran{\c{c}}ois and Markey, Nicolas and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {On Model Checking Durational {K}ripke Structures
                 (Extended Abstract)},
  pages = {264-279},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-fossacs2002.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LMS-fossacs2002.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-fossacs2002.pdf},
  abstract = {We consider quantitative model checking in \emph{durational
	Kripke structures} (Kripke structures where transitions have integer 
	durations) with timed temporal logics where subscripts put quantitative
	constraints on the time it takes before a property is satisfied.
	We investigate the conditions that allow polynomial-time model 
        checking algorithms for timed versions of CTL and exhibit an 
        important gap
	between logics where subscripts of the form {"}\(= c\){"} (exact duration) are
	allowed, and simpler logics that only allow subscripts of the form {"}\(\leq c\){"}
	or {"}\(\geq c\){"} (bounded duration).\par
	A surprising outcome of this study is that it provides the second example
	of a \(\Delta_2^P\)-complete model checking problem.}
}
@inproceedings{LMS-lics2002,
  address = {Copenhagen, Denmark},
  month = jul,
  year = 2002,
  publisher = {{IEEE} Computer Society Press},
  acronym = {{LICS}'02},
  booktitle = {{P}roceedings of the 17th
               {A}nnual {IEEE} {S}ymposium on
               {L}ogic in {C}omputer {S}cience
               ({LICS}'02)},
  author = {Laroussinie, Fran{\c{c}}ois and Markey, Nicolas and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Temporal Logic with Forgettable Past},
  pages = {383-392},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-lics2002.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LMS-lics2002.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-lics2002.pdf},
  doi = {10.1109/LICS.2002.1029846},
  abstract = {We investigate NLTL, a linear-time temporal logic with
	forgettable past. NLTL can be exponentially more succinct 
	than LTL + Past (which in turn can be more succinct
	than LTL). We study satisfiability and model checking for
	NLTL and provide optimal automata-theoretic algorithms
	for these EXPSPACE-complete problems.}
}
@article{LabSch-NJC2002,
  journal = {Nordic Journal of Computing},
  author = {Labroue, Anne and Schnoebelen, {\relax Ph}ilippe},
  title = {An Automata-Theoretic Approach to the Reachability
                 Analysis of {RPPS} Systems},
  volume = {9},
  number = {2},
  pages = {118-144},
  year = {2002},
  month = jul,
  missingmonth = {dans DBLP, c'est summer},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LS-NJC.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LS-NJC.ps},
  abstract = {We show how the reachability 
	analysis of RPPS systems can be tackled with the 
	tree-automata techniques proposed by Lugiez and 
	Schnoebelen for PA. This approach requires that 
	we express the states of RPPS systems in RPA, a 
	tailor-made process rewrite system where 
	reachability is a relation recognizable by 
	finite tree-automata. Two outcomes of this study 
	are (1)~an NP algorithm for reachability in RPPS 
	systems, and (2)~a simple decision procedure for 
	a large class of reachability problems in RPA 
	systems.}
}
@inproceedings{LabSch-express2001,
  address = {Aalborg, Denmark},
  month = feb,
  year = 2002,
  number = 1,
  volume = 52,
  series = {Electronic Notes in Theoretical Computer Science},
  publisher = {Elsevier Science Publishers},
  editor = {Aceto, Luca and Panangaden, Prakash},
  acronym = {{EXPRESS}'01},
  booktitle = {{P}roceedings of the 8th {I}nternational
               {W}orkshop on {E}xpressiveness in
               {C}oncurrency
               ({EXPRESS}'01)},
  author = {Labroue, Anne and Schnoebelen, {\relax Ph}ilippe},
  title = {An Automata-Theoretic Approach to the Reachability
                 Analysis of {RPPS} Systems},
  pages = {1-20},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/LabSch-express2001.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LabSch-express2001.ps},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/LabSch-express2001.pdf},
  doi = {10.1016/S1571-0661(04)00213-0}
}
@article{LugSch-tcs,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Lugiez, Denis and Schnoebelen, {\relax Ph}ilippe},
  title = {The Regular Viewpoint on {PA}-Processes},
  volume = {274},
  number = {1-2},
  pages = {89-115},
  year = {2002},
  month = mar,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LugSch-TCS99.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LugSch-TCS99.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LugSch-TCS99.pdf},
  doi = {10.1016/S0304-3975(00)00306-6},
  abstract = {PA is the process algebra allowing 
	non-determinism, sequential and parallel 
	compositions, and recursion.  We suggest viewing 
	PA-processes as trees, and using tree-automata 
	techniques for verification problems on PA.\par
	Our main result is that the set of iterated 
	predecessors of a regular set of PA-processes is a 
	regular tree language, and similarly for iterated 
	successors.  Furthermore, the corresponding 
	tree-automata can be built effectively in 
	polynomial-time.  This has many immediate 
	applications to verification problems for 
	PA-processes, among which a simple and general 
	model-checking algorithm.}
}
@inproceedings{MS-mfcs2002,
  address = {Warsaw, Poland},
  month = aug,
  year = 2002,
  volume = 2420,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Diks, Krzysztof and Rytter, Wojciech},
  acronym = {{MFCS}'02},
  booktitle = {{P}roceedings of the 27th
               {I}nternational {S}ymposium on
               {M}athematical {F}oundations of 
               {C}omputer {S}cience
               ({MFCS}'02)},
  author = {Masson, Beno{\^\i}t and Schnoebelen, {\relax Ph}ilippe},
  title = {On Verifying Fair Lossy Channel Systems},
  pages = {543-555},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS-mfcs2002-long.pdf},
  abstract = {Lossy channel systems are systems 
	of finite state automata that communicate via 
	unreliable unbounded fifo channels. They are an 
	important computational model because of the 
	role they play in the algorithmic verification 
	of communication protocols.\par 
	In this paper, we show that fair termination is 
	decidable for a large class of these systems.}
}
@techreport{VPQ:AS22:final,
  author = {Halbwachs, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {{V}{\'e}rification de propri{\'e}t{\'e}s quantitatives},
  year = {2002},
  month = dec,
  type = {Final Report},
  institution = {Action Sp\'ecifique~22 du D\'epartement
                 STIC du CNRS},
  oldhowpublished = {Rapport final de l'Action Sp\'ecifique 22 du D\'ept.\
                 STIC du CNRS}
}
@article{phs-IPL2002,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Verifying Lossy Channel Systems has Nonprimitive
                 Recursive Complexity},
  volume = {83},
  number = {5},
  pages = {251-261},
  year = {2002},
  month = sep,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-IPL2002.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-IPL2002.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-IPL2002.pdf},
  doi = {10.1016/S0020-0190(01)00337-4},
  abstract = {Lossy channel systems are systems of 
	finite state automata that communicate via unreliable 
	unbounded fifo channels. It is known that 
	reachability, termination and a few other verification 
	problems are decidable for these systems. In this 
	article we show that these problems cannot be solved 
	in primitive recursive time.}
}
@misc{phs-movep2002,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Temporal Logic and Verification},
  year = 2002,
  month = jun,
  howpublished = {Invited tutorial, 5th {S}ummer {S}chool on
               {M}odelling and {V}erifying {P}arallel {P}rocesses
               ({MOVEP}'02), Nantes, France}
}
@techreport{BFNS-edf6,
  author = {Bardin, S{\'e}bastien and Finkel, Alain and 
                 Nowak, David and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Note de synth{\`e}se {\`a} 6 mois},
  year = {2003},
  month = jul,
  type = {Contract Report},
  number = {P11L03/F01304/0 + 50.0241},
  institution = {collaboration entre EDF et le LSV},
  oldhowpublished = {Contrat P11L03/F01304/0 et 50.0241 de collaboration
                 entre EDF et le LSV},
  note = {43~pages}
}
@inproceedings{BerSch-fossacs2003,
  address = {Warsaw, Poland},
  month = apr,
  year = 2003,
  volume = 2620,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Gordon, Andrew D.},
  acronym = {{FoSSaCS}'03},
  booktitle = {{P}roceedings of the 6th {I}nternational 
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS}'03)},
  author = {Bertrand, Nathalie and 
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Model Checking Lossy Channels Systems Is Probably
                 Decidable},
  pages = {120-135},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BerSch-fossacs2003.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BerSch-fossacs2003.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BerSch-fossacs2003.pdf},
  abstract = {Lossy channel systems (LCS's) are systems of 
	finite state automata that communicate via unreliable 
	unbounded fifo channels. We propose a new probabilistic 
	model for these systems, where losses of messages are seen 
	as faults occurring with some given probability, and where 
	the internal behavior of the system remains 
	nondeterministic, giving rise to a reactive Markov chains 
	semantics. We then investigate the verification of 
	linear-time properties on this new model.}
}
@inproceedings{MarSch-concur2003,
  address = {Marseilles, France},
  month = aug,
  year = 2003,
  volume = 2761,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Amadio, Roberto M. and Lugiez, Denis},
  acronym = {{CONCUR}'03},
  booktitle = {{P}roceedings of the 14th 
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'03)},
  author = {Markey, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {Model Checking a Path (Preliminary Report)},
  pages = {251-265},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MarSch-concur03.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/MarSch-concur03.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MarSch-concur03.pdf},
  doi = {10.1007/b11938},
  abstract = {We consider the problem of checking whether a finite (or
	ultimately periodic) run satisfies a temporal logic formula. This problem
	is at the heart of {"}runtime verification{"} but it also appears in many other
	situations. By considering several extended temporal logics, we show that
	the problem of model checking a path can usually be solved efficiently,
	and profit from specialized algorithms. We further show it is possible to
	efficiently check paths given in compressed form.}
}
@inproceedings{Sch-icalp2003,
  address = {Eindhoven, The Netherlands},
  month = jun,
  year = 2003,
  volume = 2719,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Baeten, Jos C. M. and Lenstra, Jan Karel and 
            Parrow, Joachim and Woeginger, Gerhard J.},
  acronym = {{ICALP}'03},
  booktitle = {{P}roceedings of the 30th {I}nternational 
               {C}olloquium on {A}utomata, {L}anguages and 
               {P}rogramming
               ({ICALP}'03)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Oracle circuits for branching-time model checking},
  pages = {790-801},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-icalp03-long.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-icalp03-long.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-icalp03-long.pdf},
  abstract = {A special class of oracle 
	circuits with tree-vector form is introduced. 
	It is shown that they can be evaluated in 
	deterministic polynomial-time with a polylog 
	number of adaptive queries to an NP oracle. 
	This framework allows us to evaluate the 
	precise computational complexity of model 
	checking for some branching-time logics where 
	it was known that the problem is NP-hard and 
	coNP-hard.}
}
@misc{TSMVv1.0,
  author = {Markey, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {{TSMV}~v1.0},
  year = {2003},
  month = oct,
  howpublished = {Available at
                 \url{http://www.lsv.ens-cachan.fr/~markey/TSMV/}},
  note = {See description in~\cite{MS-formats2004}. Written in C
                 (about 4000~lines on top of NuSMV v2.1.2)},
  note-fr = {Voir la description dans~\cite{MS-formats2004}. \'Ecrit en C
                 (environ 4000~lignes \`ajout\'ees \`a NuSMV~v2.1.2)},
  url = {http://www.lsv.ens-cachan.fr/~markey/TSMV/}
}
@article{lst-TCS2001,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Laroussinie, Fran{\c{c}}ois and 
                 Schnoebelen, {\relax Ph}ilippe and 
                 Turuani, Mathieu},
  title = {On the Expressivity and Complexity of Quantitative
                 Branching-Time Temporal Logics},
  volume = {297},
  number = {1-3},
  pages = {297-315},
  year = {2003},
  month = mar,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LST-TCS01.ps},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LST-TCS01.ps},
  doi = {10.1016/S0304-3975(02)00644-8},
  abstract = {We investigate extensions of 
	CTL allowing to express quantitative 
	requirements about an abstract notion of time 
	in a simple discrete-time framework, and 
	study the expressive power of several 
	relevant logics.\par
	When only subscripted modalities are used, 
	polynomial-time model checking is possible 
	even for the largest logic we consider, while 
	the introduction of freeze quantifiers leads 
	to a complexity blow-up.}
}
@inproceedings{phs-aiml02,
  address = {Toulouse, France},
  unsure-month = sep,
  unsure-nmonth = 9,
  year = 2003,
  optaddress = {London, UK},
  publisher = {King's College Publication},
  editor = {Balbiani, {\relax Ph}ilippe and Suzuki, Nobu-Yuki
            and Wolter, Frank and Zakharyaschev, Michael},
  acronym = {{AiML}'02},
  booktitle = {{S}elected {P}apers from the 4th
           {W}orkshop on {A}dvances in {M}odal {L}ogics
           ({AiML}'02)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {The Complexity of Temporal Logic Model Checking},
  chapter = {19},
  pages = {393-436},
  note = {Invited paper},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-aiml02.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-aiml02.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-aiml02.pdf}
}
@misc{phs-svhss2003,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Model Checking Branching-Time Temporal Logics},
  year = {2003},
  month = may,
  howpublished = {Invited talk, Franco-Israeli Workshop on Semantics and
                 Verification of Hardware and Software Systems,
                 Tel-Aviv, Israel}
}
@inproceedings{BerSch-avis2004,
  address = {Barcelona, Spain},
  month = apr,
  year = 2004,
  editor = {Bharadwaj, Ramesh},
  acronym = {{AVIS}'04},
  booktitle = {{P}roceedings of the 3rd {I}nternational
               {W}orkshop on {A}utomated {V}erification
               of {I}nfinite-{S}tate {S}ystems
               ({AVIS}'04)},
  author = {Bertrand, Nathalie and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {Verifying Nondeterministic Channel Systems With
                 Probabilistic Message Losses},
  nopages = {},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BerSch-avis04.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BerSch-avis04.pdf},
  abstract = {Lossy channel systems (LCS's) are 
	systems of finite state automata that communicate 
	via unreliable unbounded fifo channels. In order to 
	circumvent the undecidability of model checking for 
	nondeterministic LCS's, probabilistic models have 
	been introduced, where it can be decided whether a 
	linear-time property holds almost surely. However, 
	such fully probabilistic systems are not a faithful 
	model of nondeterministic protocols.\par
	We study a hybrid model for LCS's where losses of 
	messages are seen as faults occurring with some 
	given probability, and where the internal behavior 
	of the system remains nondeterministic. Thus the 
	semantics is in terms of infinite-state reactive 
	Markov chains (equivalently, Markovian decision 
	processes). A similar model was introduced in the 
	second part of (Bertrand \& Schnoebelen, 
	FOSSACS'2003, LNCS 2620, pp.~120-135): we continue 
	this work and give a complete picture of the 
	decidability of qualitative model checking for 
	MSO-definable properties and some relevant 
	subcases.}
}
@inproceedings{KucSch2004,
  address = {London, UK},
  month = aug,
  year = 2004,
  volume = 3170,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Gardner, {\relax Ph}ilippa and Yoshida, Nobuko},
  acronym = {{CONCUR}'04},
  booktitle = {{P}roceedings of the 15th 
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'04)},
  author = {Ku{\v c}era, Anton{\'\i}n and 
                  Schnoebelen, {\relax Ph}ilippe},
  title = {A General Approach to Comparing Infinite-State Systems
                 with Their Finite-State Specifications},
  pages = {372-386},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/KS-concur2004.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/KS-concur2004.pdf},
  doi = {10.1007/978-3-540-28644-8_24},
  abstract = {We introduce a generic family of behavioral relations for 
which the
problem of comparing an arbitrary transition system to some
finite-state specification can be reduced to a model checking problem
against simple modal formulae. As an application, we derive
decidability of several regular equivalence problems for well-known
families of infinite-state systems.}
}
@inproceedings{LMS-concur2004,
  address = {London, UK},
  month = aug,
  year = 2004,
  volume = 3170,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Gardner, {\relax Ph}ilippa and Yoshida, Nobuko},
  acronym = {{CONCUR}'04},
  booktitle = {{P}roceedings of the 15th 
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'04)},
  author = {Laroussinie, Fran{\c{c}}ois and Markey, Nicolas and
                 Schnoebelen, {\relax Ph}ilippe},
  title = {Model Checking Timed Automata with One or Two Clocks},
  pages = {387-401},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-concur2004.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LMS-concur2004.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-concur2004.pdf},
  doi = {10.1007/978-3-540-28644-8_25},
  abstract = {In this paper, we study model checking of timed automata
	(TAs), and more precisely we aim at finding efficient model checking
	for subclasses of TAs. For this, we consider model checking TCTL and
	TCTL, over TAs with one clock or two clocks.\par
	First we show that the reachability problem is NLOGSPACE-complete
	for one clock TAs (i.e. as complex as reachability in classical graphs)
	and we give a polynomial time algorithm for model checking TCTL,
	over this class of TAs. Secondly we show that model checking becomes
	PSPACE-complete for full TCTL over one clock TAs. We also show that
	model checking CTL (without any timing constraint) over two clock TAs
	is PSPACE-complete and that reachability is NP-hard.}
}
@inproceedings{MS-formats2004,
  address = {Grenoble, France},
  month = sep,
  year = 2004,
  volume = {3253},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Lakhnech, Yassine and Yovine, Sergio},
  acronym = {{FORMATS}'04/{FTRTFT}'04},
  booktitle = {{P}roceedings of the {J}oint {C}onferences
               {F}ormal {M}odelling and {A}nalysis of {T}imed
               {S}ystems ({FORMATS}'04) and
               {F}ormal {T}echniques in {R}eal-{T}ime and
               {F}ault-{T}olerant {S}ystems ({FTRTFT}'04)},
  author = {Markey, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {Symbolic Model Checking for Simply-Timed Systems},
  pages = {102-117},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS-formats2004.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/MS-formats2004.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS-formats2004.pdf},
  abstract = {We describe OBDD-based symbolic model checking algorithms for
	simply-timed systems, i.e. finite state graphs where transitions 
	carry a duration. These durations can be arbitrary natural numbers. A
	simple and natural semantics for these systems opens the way for 
	improved efficiency. Our algorithms have been implemented in NuSMV
	and perform well in practice (on standard case studies).}
}
@inproceedings{MS-qest2004,
  address = {Enschede, The Netherlands},
  month = sep,
  year = 2004,
  publisher = {{IEEE} Computer Society Press},
  acronym = {{QEST}'04},
  booktitle = {{P}roceedings of the 1st {I}nternational
               {C}onference on {Q}uantitative 
               {E}valuation of {S}ystems
               ({QEST}'04)},
  author = {Markey, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {{TSMV}: {A} Symbolic Model Checker for Quantitative
                 Analysis of Systems},
  pages = {330-331},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS-qest2004.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/MS-qest2004.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS-qest2004.pdf},
  doi = {10.1109/QEST.2004.10028},
  abstract = {TSMV is an extension of NuSMV, the open-source
	symbolic model checker, aimed at dealing with timed versions
	of (models of) circuits, PLC controllers, protocols, etc. The
	underlying model is an extension of Kripke structures, where
	every transition carries an integer duration (possibly zero). This
	simple model supports efficient symbolic algorithms for RTCTL
	formulae.}
}
@incollection{Sch-voss,
  year = 2004,
  volume = 2925,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Baier, {\relax Ch}ristel and Haverkort, Boudewijn R.
            and Hermanns, Holger and Katoen, Joost-Pieter and
            Siegle, Markus and Vaandrager, Frits},
  acronym = {{V}alidation of {S}tochastic {S}ystems},
  booktitle = {{V}alidation of {S}tochastic {S}ystems: {A} {G}uide
               to {C}urrent {R}esearch},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {The Verification of Probabilistic Lossy Channel
                 Systems},
  pages = {445-465},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-voss.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/Sch-voss.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Sch-voss.pdf},
  abstract = {Lossy channel systems (LCS's) are 
	systems of finite state automata that 
	communicate via unreliable unbounded fifo 
	channels. Several probabilistic versions of 
	these systems have been proposed in recent 
	years, with the two aims of modeling more 
	faithfully the losses of messages, and 
	circumventing undecidabilities by some kind of 
	randomization. We survey these proposals and 
	the verification techniques they support.}
}
@article{ms-IPL2004,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Markey, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {A {PTIME}-Complete Matching Problem for
                 {SLP}-Compressed Words},
  volume = {90},
  number = {1},
  pages = {3-6},
  year = {2004},
  month = jan,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MarSch-IPL2004.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/MarSch-IPL2004.ps},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MarSch-IPL2004.pdf},
  doi = {10.1016/j.ipl.2004.01.002},
  abstract = {SLP-compressed words are words 
	given by simple deterministic grammars called 
	{"}straight-line programs{"}. We prove that the 
	problem of deciding whether an SLP-compressed 
	word is recognized by a FSA is complete for 
	polynomial-time.}
}
@article{ABRS-lossy,
  publisher = {Elsevier Science Publishers},
  journal = {Information and Computation},
  author = {Abdulla, Parosh Aziz and Bertrand, Nathalie and 
	    Rabinovich, Alexander and Schnoebelen, {\relax Ph}ilippe},
  title = {Verification of Probabilistic Systems with Faulty
	   Communication},
  year = 2005,
  month = nov,
  volume = 202,
  number = 2,
  pages = {141-165},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/InfComp-ABRS.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/InfComp-ABRS.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/InfComp-ABRS.ps},
  doi = {10.1016/j.ic.2005.05.008},
  abstract = {Many protocols are designed to 
	operate correctly even in the case where the 
	underlying communication medium is faulty. To 
	capture the behavior of such protocols, 
	\emph{Lossy Channel Systems}~(LCS's) have been 
	proposed. In an LCS the communication channels 
	are modeled as unbounded FIFO buffers which are 
	unreliable in the sense that they can 
	nondeterministically lose messages. \par
	Recently, several attempts have been made to 
	study \emph{Probabilistic Lossy Channel 
	Systems}~(PLCS's) in which the probability of 
	losing messages is taken into account. In this 
	article, we consider a variant of PLCS's which 
	is more realistic than those studied 
	previously. More precisely, we assume that 
	during each step in the execution of the 
	system, each message may be lost with a certain 
	predefined probability. We show that for such 
	systems the following model-checking problem is 
	decidable: to verify whether a linear-time 
	property definable by a finite-state 
	\(\omega\)-automaton holds with probability one. 
	We also consider other types of faulty 
	behavior, such as corruption and duplication of 
	messages, and insertion of new messages, and 
	show that the decidability results extend to 
	these models.}
}
@inproceedings{BFLS05-atva,
  address = {Taipei, Taiwan},
  month = oct,
  year = {2005},
  volume = 3707,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Peled, Doron A. and Tsay, Yih-Kuen},
  acronym = {{ATVA}'05},
  booktitle = {{P}roceedings of the 3rd {I}nternational
               {S}ymposium on {A}utomated {T}echnology
               for {V}erification and {A}nalysis
               ({ATVA}'05)},
  author = {Bardin, S{\'e}bastien and Finkel, Alain and
		Leroux, J{\'e}r{\^o}me and Schnoebelen, {\relax Ph}ilippe},
  title = {Flat acceleration in symbolic model checking},
  pages = {474-488},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BFLS05-atva.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BFLS05-atva.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BFLS05-atva.ps},
  doi = {10.1007/11562948_35},
  abstract = {Symbolic model checking provides partially 
	effective verification procedures that can handle systems 
	with an infinite state space. So-called {"}acceleration 
	techniques{"} enhance the convergence of fixpoint 
	computations by computing the transitive closure of some 
	transitions. In this paper we develop a new framework for 
	symbolic model checking with accelerations. We also propose 
	and analyze new symbolic algorithms using accelerations to 
	compute reachability sets.}
}
@article{LugSch-IC,
  publisher = {Elsevier Science Publishers},
  journal = {Information and Computation},
  author = {Lugiez, Denis and Schnoebelen, {\relax Ph}ilippe},
  title = {Decidable first-order transition logics for
	 {PA}-processes},
  year = 2005,
  month = nov,
  volume = 203,
  number = 1,
  pages = {75-113},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/InfComp-C2707.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/InfComp-C2707.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/InfComp-C2707.ps},
  doi = {10.1016/j.ic.2005.02.003},
  abstract = {We show the decidability of 
	model checking PA-processes against 
	several first-order logics
	based upon the reachability predicate. 
	The main tool for this result is the
	recognizability by tree automata of the 
	reachability relation. The tree
	automata approach and the transition 
	logics we use allow a smooth and
	general treatment of parameterized model 
	checking for PA. This approach is
	extended to handle a quite general notion 
	of costs of PA-steps.
	In particular, when costs are Parikh 
	images of traces, we show decidability
	of a transition logic extended by some 
	form of first-order reasoning over
	costs.}
}
@misc{persee-miparcours05,
  author = {Schnoebelen, {\relax Ph}ilippe and others},
  title = {{ACI} {S}{\'e}curit{\'e} {I}nformatique {PERS{\'E}E}~--- 
	    Rapport {\`a} mi-parcours},
  year = 2005,
  month = nov,
  type = {Contract Report},
  note = {8~pages}
}
@inproceedings{BBS-forte06,
  address = {Paris, France},
  month = sep,
  year = 2006,
  volume = 4229,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Najm, Elie and Pradat{-}Peyre, Jean-Fran{\c{c}}ois and
             Vigui{\'e} Donzeau-Gouge, V{\'e}ronique},
  acronym = {{FORTE}'06},
  booktitle = {{P}roceedings of 26th {IFIP} {WG6.1} 
           {I}nternational {C}onference on {F}ormal
           {T}echniques for {N}etworked and {D}istributed {S}ystems
	   ({FORTE}'06)},
  author = {Baier, Christel and Bertrand, Nathalie and Schnoebelen, {\relax Ph}ilippe},
  title = {Symbolic verification of communicating systems with
		  probabilistic message losses: liveness and fairness},
  pages = {212-227},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BBS-forte06.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BBS-forte06.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BBS-forte06.ps},
  doi = {10.1007/11888116_17},
  abstract = {NPLCS's are a new model for nondeterministic channel systems
	where unreliable communication is modeled by probabilistic message losses.
	We~show that, for \(\omega\)-regular linear-time properties and finite-memory
	schedulers, qualitative model-checking is decidable. The~techniques extend
	smoothly to questions where fairness restrictions are imposed on the
	schedulers. The~symbolic procedure underlying our decidability proofs has been
	implemented and used to study a simple protocol handling two-way transfers in
	an unreliable setting.}
}
@inproceedings{BBS-lpar06,
  address = {Phnom Penh, Cambodia},
  month = nov,
  year = 2006,
  volume = 4246,
  series = {Lecture Notes in Artificial Intelligence},
  publisher = {Springer},
  editor = {Hermann, Miki and Voronkov, Andrei},
  acronym = {{LPAR}'06},
  booktitle = {{P}roceedings of the 13th {I}nternational
               {C}onference on {L}ogic for {P}rogramming,
               {A}rtificial {I}ntelligence, and {R}easoning
               ({LPAR}'06)},
  author = {Baier, Christel and Bertrand, Nathalie and
                   Schnoebelen, {\relax Ph}ilippe},
  title = {On Computing Fixpoints in Well-Structured Regular Model
		Checking, with Applications to Lossy Channel Systems},
  pages = {347-361},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BBS-lpar06.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BBS-lpar06.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BBS-lpar06.ps},
  doi = {10.1007/11916277_24},
  abstract = {We prove a general finite convergence theorem for
{"}upward-guarded{"} fixpoint expressions over a well-quasi-ordered~set. This
has immediate applications in regular model checking of well-structured
systems, where a main issue is the eventual convergence of fixpoint
computations. In~particular, we are able to directly obtain several new
decidability results on lossy channel systems.}
}
@article{BBS-ipl05,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Baier, Christel and Bertrand, Nathalie and
                   Schnoebelen, {\relax Ph}ilippe},
  title = {A note on the attractor-property of infinite-state {M}arkov chains},
  year = 2006,
  month = jan,
  number = 2,
  volume = 97,
  pages = {58-63},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/IPL-BBS.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/IPL-BBS.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/IPL-BBS.ps},
  doi = {10.1016/j.ipl.2005.09.011},
  abstract = {In the past five years, a series of verification algorithms
                  has been proposed for infinite Markov chains that have a
                  finite attractor, \emph{i.e.}, a set that will be visited
                  infinitely often almost surely starting from any state. \par
                  In this paper, we establish a sufficient criterion for
                  the existence of an attractor. We show that if the states
                  of a Markov chain can be given levels (positive integers)
                  such that the expected next level for states at some
                  level \(n > 0\) is less than \(n-\Delta\) for some positive
                  \(\Delta\), then the states at level~\(0\) constitute an
                  attractor for the chain. As an application, we obtain a
                  direct proof that some probabilistic channel systems
                  combining message losses with duplication and insertion
                  errors have a finite attractor.}
}
@inproceedings{BS05-express,
  address = {San Francisco, California, USA},
  month = jul,
  year = 2006,
  number = 3,
  volume = 154,
  series = {Electronic Notes in Theoretical Computer Science},
  publisher = {Elsevier Science Publishers},
  editor = {Baeten, Jos and Phillips, Iain},
  acronym = {{EXPRESS}'05},
  booktitle = {{P}roceedings of the 12th {I}nternational
               {W}orkshop on {E}xpressiveness in
               {C}oncurrency
               ({EXPRESS}'05)},
  author = {Bertrand, Nathalie and Schnoebelen, {\relax Ph}ilippe},
  title = {A short visit to the {STS} hierarchy},
  pages = {59-69},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BS05-express.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BS05-express.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BS05-express.ps},
  doi = {10.1016/j.entcs.2006.05.007},
  abstract = {The hierarchy of Symbolic 
	Transition Systems, introduced by Henzinger,
	Majumdar and Raskin, is an elegant 
	classification  
	tool for some families of infinite-state
	operational models that support some variants of 
	a symbolic {"}backward closure{"}
	verification algorithm. It was first used and 
	illustrated with families of hybrid 
	systems.\par 
	  In this paper we investigate whether the STS 
	hierarchy can account for classical
	families of infinite-state systems outside of 
	timed or hybrid systems.}
}
@article{DLS-jcss-param,
  publisher = {Elsevier Science Publishers},
  journal = {Journal of Computer and System Sciences},
  author = {Demri, St{\'e}phane and Laroussinie, Fran{\c{c}}ois
        and Schnoebelen, {\relax Ph}ilippe},
  title = {A Parametric Analysis of the State Explosion Problem in
		Model Checking},
  year = 2006,
  month = jun,
  volume = 72,
  number = 4,
  pages = {547-575},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/DLS-jcss-param.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/DLS-jcss-param.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/DLS-jcss-param.ps},
  doi = {10.1016/j.jcss.2005.11.003},
  abstract = {In model checking, the 
	state-explosion problem occurs when one checks a 
	non-flat system, \emph{i.e.}, a system implicitly 
	described as a synchronized product of elementary 
	subsystems. In this paper, we investigate the 
	complexity of a wide variety of model checking 
	problems for non-flat systems under the light of 
	parameterized complexity, taking the number of 
	synchronized components as a parameter.  We provide 
	precise complexity measures (in the parameterized 
	sense) for most of the problems we investigate, and 
	evidence that the results are robust.}
}
@article{KucSch-TCS,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Ku{\v c}era, Anton{\'\i}n and 
         	  Schnoebelen, {\relax Ph}ilippe},
  title = {A General Approach to Comparing Infinite-State Systems
                   with Their Finite-State Specifications},
  number = {2-3},
  volume = {358},
  pages = {315-333},
  month = aug,
  year = 2006,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/KucSch-TCS.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/KucSch-TCS.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/KucSch-TCS.ps},
  doi = {10.1016/j.tcs.2006.01.021},
  abstract = {We introduce a generic family of 
	behavioral relations for which the regular 
	equivalence problem (\emph{i.e.}, comparing an arbitrary 
	transition system to some finite-state 
	specification) can be reduced to the model 
	checking problem against simple modal formulae. 
	As an application, we derive decidability of 
	several regular equivalence problems for 
	well-known families of infinite-state systems. }
}
@article{LMS-tcs05,
  publisher = {Elsevier Science Publishers},
  journal = {Theoretical Computer Science},
  author = {Laroussinie, Fran{\c{c}}ois and Markey, Nicolas
		 and Schnoebelen, {\relax Ph}ilippe},
  title = {Efficient Timed Model Checking for Discrete-Time 
		Systems},
  volume = 353,
  number = {1-3},
  pages = {249-271},
  month = mar,
  year = 2006,
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-TCS05.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/LMS-TCS05.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/LMS-TCS05.ps},
  doi = {10.1016/j.tcs.2005.11.020},
  abstract = {We consider model checking of timed 
	temporal formulae in \emph{durational transition 
	graphs} (DTGs), \emph{i.e.}, Kripke structures where 
	transitions have integer durations. Two semantics for 
	DTGs are presented and motivated. We consider timed 
	versions of CTL where subscripts put quantitative 
	constraints on the time it takes before a property is 
	satisfied. \par
	We exhibit an important gap between logics where 
	subscripts of the form {"}\(= c\){"} (exact duration) are 
	allowed, and simpler logics that only allow subscripts 
	of the form {"}\(\leq c\){"} or {"}\(\geq c\){"} (bounded 
	duration).\par
	Without exact durations, model checking can be done in 
	polynomial time, but with exact durations, it becomes 
	\(\Delta_{2}^{P}\)-complete or PSPACE-complete 
	depending on the considered semantics.}
}
@article{MS05-IPL,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Markey, Nicolas and Schnoebelen, {\relax Ph}ilippe},
  title = {Mu-Calculus Path Checking},
  volume = 97,
  number = 6,
  month = mar,
  year = 2006,
  pages = {225-230},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS05-IPL.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/MS05-IPL.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/MS05-IPL.ps},
  doi = {10.1016/j.ipl.2005.11.010},
  abstract = {We investigate the path model 
	checking problem for the \(\mu\)-calculus. 
	Surprisingly, restricting to deterministic 
	structures does not allow for more efficient model 
	checking algorithm, as we prove that it can encode 
	any instance of the standard model checking problem 
	for the \(\mu\)-calculus. }
}
@article{RS-btl2,
  publisher = {Elsevier Science Publishers},
  journal = {Information and Computation},
  author = {Rabinovich, Alexander and 
		   Schnoebelen, {\relax Ph}ilippe},
  title = {{\(\mathit{\MakeUppercase{BTL}}_2\)} and the expressive 
		   power of {\(\mathit{\MakeUppercase{ECTL}}^+\)}},
  year = 2006,
  month = jul,
  volume = 204,
  number = 7,
  pages = {1023-1044},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BTL2-InfComp.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/BTL2-InfComp.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/BTL2-InfComp.ps},
  doi = {10.1016/j.ic.2005.07.006},
  abstract = {We show that \(\mathit{ECTL}^+\), the 
	classical extension of \(\mathit{CTL}\) with fairness 
	properties, is expressively equivalent to 
	\(\mathit{BTL}_2\), a natural fragment of the monadic 
	logic of order. \(\mathit{BTL}_2\)~is the branching-time 
	logic with arbitrary quantification over paths, and 
	where path formulae are restricted to quantifier 
	depth~\(2\) first-order formulae in the monadic logic of 
	order. This result, linking \(\mathit{ECTL}^+\) to a 
	natural fragment of the monadic logic of order, provides 
	a characterization that other branching-time logics, 
	\emph{e.g.}, \(\mathit{CTL}\), lack. \par
	We then go on to show that \(\mathit{ECTL}^+\) and 
	\(\mathit{BTL}_2\) are not finitely based (\emph{i.e.}, 
	they cannot be defined by a finite set of temporal 
	modalities) and that their model-checking problems are 
	of the same complexity. }
}
@misc{phs-lipn2006,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {De nouvelles applications pour le model-checking},
  year = {2006},
  month = nov,
  howpublished = {Invited lecture, Journ{\'e}es {\`a} l'occasion des
                  20~ans du~LIPN, Villetaneuse, France}
}
@inproceedings{CS-fossacs08,
  address = {Budapest, Hungary},
  month = mar # {-} # apr,
  year = 2008,
  volume = 4962,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Amadio, Roberto},
  acronym = {{FoSSaCS}'08},
  booktitle = {{P}roceedings of the 11th {I}nternational
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS}'08)},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {The \(\omega\)-Regular {P}ost Embedding Problem},
  pages = {97-111},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-fossacs08.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-fossacs08.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CS-fossacs08.ps},
  doi = {10.1007/978-3-540-78499-9_8},
  abstract = {Post's Embedding Problem is a new variant of Post's
    Correspondence Problem where words are compared with embedding rather than
    equality. It~has been shown recently that adding regular constraints on
    the form of admissible solutions makes the problem highly non-trivial, and
    relevant to the study of lossy channel systems. Here we consider the
    infinitary version and its application to recurrent reachability in lossy
    channel systems.}
}
@inproceedings{BMOSW-stacs08,
  address = {Bordeaux, France},
  month = feb,
  year = 2008,
  volume = 1,
  series = {Leibniz International Proceedings in Informatics},
  publisher = {Leibniz-Zentrum f{\"u}r Informatik},
  editor = {Albers, Susanne and Weil, Pascal},
  acronym = {{STACS}'08},
  booktitle = {{P}roceedings of the 25th {A}nnual
               {S}ymposium on {T}heoretical {A}spects of
               {C}omputer {S}cience
               ({STACS}'08)},
  author = {Bouyer, Patricia and Markey, Nicolas and Ouaknine, Jo{\"e}l
                  and Schnoebelen, {\relax Ph}ilippe and Worrell, James},
  title = {On Termination for Faulty Channel Machines},
  pages = {121-132},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/bmosw-stacs08.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/bmosw-stacs08.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/bmosw-stacs08.ps},
  abstract = {A channel machine consists of a finite controller together with
    several fifo channels; the controller can read messages from the head of a
    channel and write messages to the tail of a channel. In this paper, we
    focus on channel machines with \emph{insertion errors}, \textit{i.e.},
    machines in whose channels messages can spontaneously appear. Such devices
    have been previously introduced in the study of Metric Temporal Logic.
    We~consider the termination problem: are all the computations of a given
    insertion channel machine finite? We~show that this problem has
    non-elementary, yet primitive recursive complexity.}
}
@inproceedings{CS-fsttcs07,
  address = {New~Delhi, India},
  month = dec,
  year = 2007,
  volume = 4855,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Arvind, V. and Prasad, Sanjiva},
  acronym = {{FSTTCS}'07},
  booktitle = {{P}roceedings of the 27th {C}onference on
               {F}oundations of {S}oftware {T}echnology and
               {T}heoretical {C}omputer {S}cience
               ({FSTTCS}'07)},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {{P}ost Embedding Problem is not Primitive Recursive, 
		 with Applications to Channel Systems},
  pages = {265-276},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-fsttcs07.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-fsttcs07.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CS-fsttcs07.ps},
  doi = {10.1007/978-3-540-77050-3_22},
  abstract = {We introduce \textsf{PEP}, the Post Embedding Problem, a variant
    of \textsf{PCP} where one compares strings with the subword relation, and
    \textsf{PEP}\textsuperscript{reg}, a further variant where solutions are
    constrained and must belong to a given regular language.
    \textsf{PEP}\textsuperscript{reg} is decidable but not primitive
    recursive. This entails the decidability of reachability for
    unidirectional systems with one reliable and one lossy channel. }
}
@inproceedings{phs-time07,
  address = {Alicante, Spain},
  month = jun,
  year = 2007,
  publisher = {{IEEE} Computer Society Press},
  editor = {Goranko, Valentin and Wang, X. Sean},
  acronym = {{TIME}'07},
  booktitle = {{P}roceedings of the 14th {I}nternational {S}ymposium on 
	       {T}emporal {R}epresentation and {R}easoning
	       ({TIME}'07)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Model Checking Branching-Time Logics},
  pages = {5},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/phs-time07.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/phs-time07.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/phs-time07.ps},
  doi = {10.1109/TIME.2007.52}
}
@misc{persee-final,
  author = {Schnoebelen, {\relax Ph}ilippe and Bouajjani, Ahmed and Sutre, Gr{\'e}goire},
  title = {{ACI} {S}{\'e}curit{\'e} {I}nformatique {PERS{\'E}E}~--- 
            Rapport final},
  year = 2006,
  month = nov,
  type = {Contract Report},
  note = {12~pages},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Persee-final.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/Persee-final.pdf}
}
@article{BBS-arxiv05,
  publisher = {ACM Press},
  journal = {ACM Transactions on Computational Logic},
  author = {Baier, Christel and Bertrand, Nathalie and
                   Schnoebelen, {\relax Ph}ilippe},
  title = {Verifying nondeterministic probabilistic channel
                systems against {{\(\omega\)}}-regular linear-time
                properties},
  year = 2007,
  volume = 9,
  number = 1,
  nopages = {},
  month = dec,
  url = {http://arxiv.org/abs/cs.LO/0511023},
  pdf = {http://arxiv.org/pdf/cs.LO/0511023},
  ps = {http://arxiv.org/ps/cs.LO/0511023},
  doi = {10.1145/1297658.1297663},
  abstract = {Lossy channel systems (LCS's) are systems of finite state processes that
  communicate via unreliable unbounded fifo channels. We introduce NPLCS's,
  a variant of LCS's where message losses have a probabilistic behavior
  while the component processes behave nondeterministically, and study the
  decidability of qualitative verification problems for \(\omega\)-regular
  linear-time properties.\par
  We show that ---in contrast to finite-state Markov decision processes---
  the satisfaction relation for linear-time formulas depends on the type of
  schedulers that resolve the nondeterminism. While the qualitative model
  checking problems for the full class of history-dependent schedulers is
  undecidable, the same questions for finite-memory schedulers can be
  solved algorithmically. Additionally, some special kinds of reachability,
  or recurrent reachability, qualitative properties yield decidable
  verification problems for the full class of schedulers, which ---for this
  restricted class of problems--- are as powerful as finite-memory
  schedulers, or even a subclass of them.}
}
@misc{PhS-AV2008,
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {The complexity of lossy channel systems},
  year = 2008,
  month = aug,
  noslides = {},
  howpublished = {Invited talk, Workshop {A}utomata and {V}erification
                  ({AV}'08), Mons, Belgium}
}
@inproceedings{CS-concur08,
  address = {Toronto, Canada},
  month = aug,
  year = 2008,
  volume = 5201,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {van Breugel, Franck and Chechik, Marsha},
  acronym = {{CONCUR}'08},
  booktitle = {{P}roceedings of the 19th 
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'08)},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {Mixing Lossy and Perfect Fifo Channels},
  pages = {340-355},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-concur08.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-concur08.pdf},
  ps = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PS/CS-concur08.ps},
  doi = {10.1007/978-3-540-85361-9_28},
  abstract = {We~consider asynchronous networks of finite-state systems
    communicating \emph{via} a combination of reliable and lossy fifo channels.
    Depending on the topology, the~reachability problem for such networks may
    be decidable. We~provide a complete classification of network topologies
    according to whether they lead to a decidable reachability problem.
    Furthermore, this classification can be decided in polynomial-time.}
}
@inproceedings{CS-lics08,
  address = {Pittsburgh, Pennsylvania, USA},
  month = jun,
  year = 2008,
  publisher = {{IEEE} Computer Society Press},
  acronym = {{LICS}'08},
  booktitle = {{P}roceedings of the 23rd
               {A}nnual {IEEE} {S}ymposium on
               {L}ogic in {C}omputer {S}cience
               ({LICS}'08)},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {The Ordinal Recursive Complexity of Lossy Channel Systems},
  pages = {205-216},
  url = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-lics08.pdf},
  pdf = {http://www.lsv.ens-cachan.fr/Publis/PAPERS/PDF/CS-lics08.pdf},
  doi = {10.1109/LICS.2008.47},
  abstract = {We show that reachability and termination for lossy channel
        systems is exactly at level \(\mathcal{F}_{\omega^{\omega}}\) in the
        Fast-Growing Hierarchy of recursive functions, the first level that
        dominates all multiply-recursive functions.}
}
@inproceedings{CS-fossacs10,
  address = {Paphos, Cyprus},
  month = mar,
  year = 2010,
  volume = {6014},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Ong, C.-H. Luke},
  acronym = {{FoSSaCS}'10},
  booktitle = {{P}roceedings of the 13th {I}nternational
               {C}onference on {F}oundations of {S}oftware {S}cience
               and {C}omputation {S}tructures
               ({FoSSaCS}'10)},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {Toward a compositional theory of leftist grammars and 
		transformations},
  pages = {237-251},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/CS-fossacs10.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/CS-fossacs10.pdf},
  doi = {10.1007/978-3-642-12032-9_17},
  abstract = {Leftist grammars [Motwani \textit{et~al.}, STOC~2000] are
    special semi-Thue systems where symbols can only insert or erase to their
    left. We~develop a theory of leftist grammars seen as word transformers as
    a tool toward rigorous analyses of their computational power. Our~main
    contributions in this first paper are (1)~constructions proving that
    leftist transformations are closed under compositions and transitive
    closures, and (2)~a~proof that bounded reachability is NP-complete even
    for leftist grammars with acyclic rules.}
}
@inproceedings{phs-rp10,
  address = {Brno, Czech Republic},
  month = aug,
  year = 2010,
  volume = 6227,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Ku{\v c}era, Anton{\'\i}n and Potapov, Igor},
  acronym = {{RP}'10},
  booktitle = {{P}roceedings of the 4th {W}orkshop
           on {R}eachability {P}roblems in {C}omputational {M}odels ({RP}'10)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Lossy Counter Machines Decidability Cheat Sheet},
  pages = {51-75},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/phs-rp10.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/phs-rp10.pdf},
  doi = {10.1007/978-3-642-15349-5_4},
  abstract = {Lossy counter machines (LCM's) are a variant of Minsky counter
    machines based on weak (or~unreliable) counters in the sense that they can
    decrease nondeterministically and without notification. This model,
    introduced by R.~Mayr [TCS~297:337-354 (2003)], is not yet very
    well known, even though it has already proven useful for establishing
    hardness results.\par
    In this paper we survey the basic theory of LCM's and their verification
    problems, with a focus on the decidability/undecidability divide. }
}
@inproceedings{PhS-mfcs10,
  address = {Brno, Czech Republic},
  month = aug,
  year = 2010,
  volume = 6281,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Hlin{\v e}n{\'y}, Petr and Ku{\v c}era, Anton{\'\i}n},
  acronym = {{MFCS}'10},
  booktitle = {{P}roceedings of the 35th
               {I}nternational {S}ymposium on
               {M}athematical {F}oundations of 
               {C}omputer {S}cience
               ({MFCS}'10)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Revisiting {A}ckermann-Hardness for Lossy Counter Machines
                  and Reset {P}etri Nets},
  pages = {616-628},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/phs-mfcs10.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/phs-mfcs10.pdf},
  doi = {10.1007/978-3-642-15155-2_54},
  abstract = {We prove that coverability and termination are not
    primitive-recursive for lossy counter machines and for Reset Petri nets.}
}
@inproceedings{CS-dlt2010,
  address = {London, Ontario, Canada},
  month = aug,
  year = 2010,
  volume = {6224},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Gao, Yuan and Lu, Hanlin and Seki, Shinnosuke and Yu, Sheng},
  acronym = {{DLT}'10},
  booktitle = {{P}roceedings of the 14th {I}nternational
               {C}onference on {D}evelopments in {L}anguage {T}heory
               ({DLT}'10)},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {Computing blocker sets for the Regular {P}ost Embedding
           Problem},
  pages = {136-147},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/CS-dlt10.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/CS-dlt10.pdf},
  doi = {10.1007/978-3-642-14455-4_14},
  abstract = {Blocker and coblocker sets are regular languages involved in the
                  algorithmic solution of the Regular Post Embedding Problem.
                  We investigate the computability of these languages and
                  related decision problems.}
}
@inproceedings{CS-icalp10,
  address = {Bordeaux, France},
  month = jul,
  year = 2010,
  volume = 6199,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Abramsky, Samson and Meyer{ }auf{ }der{ }Heide, Friedhelm
  	    and Spirakis, Paul},
  acronym = {{ICALP}'10},
  booktitle = {{P}roceedings of the 37th {I}nternational 
               {C}olloquium on {A}utomata, {L}anguages and 
               {P}rogramming ({ICALP}'10)~-- {P}art~{II}},
  author = {Chambart, Pierre and Schnoebelen, {\relax Ph}ilippe},
  title = {Pumping and Counting on the Regular {P}ost Embedding Problem},
  pages = {64-75},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/CS-icalp10.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/CS-icalp10.pdf},
  doi = {10.1007/978-3-642-14162-1_6},
  abstract = {The Regular Post Embedding Problem is a variant of Post's
    Correspondence Problem where one compares strings with the subword
    relation and imposes additional regular constraints on admissible
    solutions. It is known that this problem is decidable, albeit with very
    high complexity.\par
    We consider and solve variant problems where the set of solutions is
    compared to regular constraint sets and where one counts the number of
    solutions. Our positive results rely on two non-trivial pumping lemmas for
    Post-embedding languages and their complements.}
}
@inproceedings{SS-icalp11,
  address = {Z{\"u}rich, Switzerland},
  month = jul,
  year = 2011,
  volume = 6756,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Aceto, Luca and Henzinger, Monika and Sgall, Jir{\'\i}},
  acronym = {{ICALP}'11},
  booktitle = {{P}roceedings of the 38th {I}nternational 
               {C}olloquium on {A}utomata, {L}anguages and 
               {P}rogramming ({ICALP}'11)~-- {P}art~{II}},
  author = {Schmitz, Sylvain and Schnoebelen, {\relax Ph}ilippe},
  title = {Multiply-Recursive Upper Bounds with {H}igman's Lemma},
  pages = {441-452},
  url = {http://arxiv.org/abs/1103.4399},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/SS-icalp11.pdf},
  doi = {10.1007/978-3-642-22012-8_35},
  abstract = {We develop a new analysis for the length of controlled
                  bad sequences in well-quasi-orderings based on
                  Higman's Lemma. This leads to tight
                  multiply-recursive upper bounds that readily apply
                  to several verification algorithms for
                  well-structured systems.}
}
@inproceedings{FFSS-lics2011,
  address = {Toronto, Canada},
  month = jun,
  year = 2011,
  publisher = {{IEEE} Computer Society Press},
  acronym = {{LICS}'11},
  booktitle = {{P}roceedings of the 26th
               {A}nnual {IEEE} {S}ymposium on
               {L}ogic in {C}omputer {S}cience
               ({LICS}'11)},
  author = {Figueira, Diego and Figueira, Santiago and Schmitz, Sylvain and
  	   Schnoebelen,  {\relax Ph}ilippe},
  title = {{A}ckermannian and Primitive-Recursive Bounds with {D}ickson's Lemma},
  pages = {269-278},
  url = {http://arxiv.org/abs/1007.2989},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/FFSS-lics11.pdf},
  doi = {10.1109/LICS.2011.39},
  abstract = {Dickson's Lemma is a simple yet powerful tool widely used in
    decidability proofs, especially when dealing with counters or related data
    structures in algorithmics, verification and model-checking, constraint
    solving, logic, etc. While Dickson's Lemma is well-known, most computer
    scientists are not aware of the complexity upper bounds that are entailed
    by its use. This is mainly because, on this issue, the existing literature
    is not very accessible.\par
    We propose a new analysis of the length of bad sequences over
    \((\mathbb{N}^{k},\leq)\), improving on earlier results and providing
    upper bounds that are essentially tight. This analysis is complemented by
    a {"}user guide{"} explaining through practical examples how to easily
    derive complexity upper bounds from Dickson's Lemma.}
}
@unpublished{aawqot,
  author = {Sylvain Schmitz and {\relax Ph}ilippe Schnoebelen},
  title = {Algorithmic Aspects of {WQO} Theory},
  month = aug,
  year = 2012,
  note = {Lecture Notes},
  url = {http://cel.archives-ouvertes.fr/cel-00727025},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/SS-esslli12.pdf}
}
@article{BS-fmsd2012,
  publisher = {Springer},
  journal = {Formal Methods in System Design},
  author = {Bertrand, Nathalie and Schnoebelen, {\relax Ph}ilippe},
  title = {Computable fixpoints in well-structured symbolic model
           checking},
  pages = {233-267},
  volume = 43,
  number = 2,
  month = oct,
  year = 2013,
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/BS-fmsd12.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/BS-fmsd12.pdf},
  doi = {10.1007/s10703-012-0168-y},
  abstract = {We prove a general finite-time convergence theorem for fixpoint
    expressions over a well-quasi-ordered set. This has immediate applications
    for the verification of well-structured systems, where a main issue is the
    computability of fixpoint expressions, and in particular for
    game-theoretical properties and probabilistic systems where nesting and
    alternation of least and greatest fixpoints are common.}
}
@inproceedings{HSS-lics2012,
  address = {Dubrovnik, Croatia},
  month = jun,
  year = 2012,
  publisher = {{IEEE} Computer Society Press},
  acronym = {{LICS}'12},
  booktitle = {{P}roceedings of the 27th
               {A}nnual {IEEE} {S}ymposium on
               {L}ogic in {C}omputer {S}cience
               ({LICS}'12)},
  author = {Haddad, Serge and Schmitz, Sylvain and Schnoebelen, {\relax Ph}ilippe},
  title = {The Ordinal-Recursive Complexity of Timed-Arc {P}etri
                     Nets, Data Nets, and Other Enriched Nets},
  pages = {355-364},
  url = {http://hal.archives-ouvertes.fr/hal-00793811},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/HSS-lics12.pdf},
  doi = {10.1109/LICS.2012.46},
  abstract = {We show how to reliably compute fast-growing functions
                  with timed-arc Petri nets and data nets. This
                  construction provides ordinal-recursive lower bounds
                  on the complexity of the main decidable properties
                  (safety, termination, regular simulation,~etc.) of
                  these models. Since these new lower bounds match the
                  upper bounds that one can derive from wqo theory,
                  they precisely characterise the computational power
                  of these so-called {"}enriched{"} nets.}
}
@article{BMOSW-fac12,
  publisher = {Springer},
  journal = {Formal Aspects of Computing},
  author = {Bouyer, Patricia and Markey, Nicolas and Ouaknine, Jo{\"e}l
                  and Schnoebelen, {\relax Ph}ilippe and Worrell, James},
  title = {On Termination and Invariance for Faulty Channel Systems},
  year = 2012,
  month = jul,
  volume = 24,
  number = {4-6},
  pages = {595-607},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/BMOSU-fac12.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/BMOSU-fac12.pdf},
  doi = {10.1007/s00165-012-0234-7},
  abstract = {A~\emph{channel machine} consists of a finite controller
    together with several fifo channels; the controller can read messages from
    the head of a channel and write messages to the tail of a channel. In this
    paper we focus on channel machines with \emph{insertion errors}, i.e.,
    machines in whose channels messages can spontaneously appear. We consider
    the invariance problem: does a given insertion channel machine have an
    infinite computation all of whose configurations satisfy a given
    predicate? We show that this problem is primitive-recursive if the
    predicate is closed under message losses. We also give a non-elementary
    lower bound for the invariance problem under this restriction. Finally,
    using the previous result, we show that the satisfiability problem for the
    safety fragment of Metric Temporal Logic is non-elementary.}
}
@inproceedings{KS-csr12,
  address = {Nizhni Novgorod, Russia},
  month = jul,
  year = 2012,
  volume = {7353},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Hirsch, Edward A. and Karhum{\"a}ki, Juhani and Lepist{\"o},
                  Arto and Prilutskii, Michail},
  acronym = {{CSR}'12},
  booktitle = {{P}roceedings of the 7th {I}nternational {C}omputer {S}cience
                  {S}ymposium in {R}ussia ({CSR}'12)},
  author = {Karandikar, Prateek and Schnoebelen, {\relax Ph}ilippe},
  title = {Cutting Through Regular {P}ost Embedding Problems},
  pages = {229-240},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-csr12.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-csr12.pdf},
  doi = {10.1007/978-3-642-30642-6_22},
  abstract = {The Regular Post Embedding Problem extended with partial
    (co)directness is shown decidable. This extends to universal and{\slash}or
    counting versions. It is also shown that combining directness and
    codirectness in Post Embedding problems leads to undecidability.}
}
@inproceedings{SS-concur13,
  address = {Buenos Aires, Argentina},
  month = aug,
  year = 2013,
  volume = 8052,
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {D'Argenio, Pedro R. and Melgratti, Hern{\'a}n)},
  acronym = {{CONCUR}'13},
  booktitle = {{P}roceedings of the 24th
               {I}nternational {C}onference on
               {C}oncurrency {T}heory
               ({CONCUR}'13)},
  author = {Schmitz, Sylvain and Schnoebelen, {\relax Ph}ilippe},
  title = {The Power of Well-Structured Systems},
  pages = {5-24},
  url = {http://arxiv.org/abs/1402.2908},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/SS-concur13.pdf},
  doi = {10.1007/978-3-642-40184-8_2},
  abstract = {Well-structured systems, aka WSTS, are computational models
    where the set of possible configurations is equipped with a
    well-quasi-ordering which is compatible with the transition relation
    between configurations. This structure supports generic decidability
    results that are important in verification and several other fields. This
    paper recalls the basic theory underlying well-structured systems and
    shows how two classic decision algorithms can be formulated as an
    exhaustive search for some {"}bad{"} sequences. This lets us describe new
    powerful techniques for the complexity analysis of WSTS algorithms.
    Recently, these techniques have been successful in precisely
    characterizing the power, in a complexity-theoretical sense, of several
    important WSTS models like unreliable channel systems, monotonic counter
    machines, or networks of timed systems.}
}
@inproceedings{BS-qapl2013,
  address = {Rome, Italy},
  volume = {117},
  series = {Electronic Proceedings in Theoretical Computer Science},
  month = jun,
  year = 2013,
  editor = {Bortolussi, Luca and Wiklicky, Herbert},
  acronym = {{QAPL}'13},
  booktitle = {{P}roceedings of the 11th {I}nternational
           {W}orkshop on {Q}uantitative {A}spects of
	   {P}rogramming {L}anguages ({QAPl}'13)},
  author = {Bertrand, Nathalie and Schnoebelen, {\relax Ph}ilippe},
  title = {Solving stochastic B{\"u}chi games on infinite arenas with a 
  		   finite attractor},
  pages = {116-131},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/BS-qapl2013.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/BS-qapl2013.pdf},
  doi = {10.4204/EPTCS.117.8},
  abstract = {We consider games played on an infinite probabilistic arena
    where the first player aims at satisfying generalized B{\"u}chi objectives
    almost surely, i.e., with probability one. We provide a fixpoint
    characterization of the winning sets and associated winning strategies in
    the case where the arena satisfies the finite-attractor property. From
    this we directly deduce the decidability of these games on probabilistic
    lossy channel systems.}
}
@article{JKS-lmcs14,
  journal = {Logical Methods in Computer Science},
  author = {Jancar, Petr and Karandikar, Prateek and Schnoebelen, {\relax Ph}ilippe},
  title = {On Reachability for Unidirectional Channel Systems Extended
                  with Regular Tests},
  year = {2015},
  volume = 11,
  number = {{2:2}},
  month = apr,
  nopages = {},
  url = {http://arxiv.org/abs/1406.5067},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/JKS-lmcs14.pdf},
  doi = {10.2168/LMCS-11(2:2)2015},
  abstract = {{"}Unidirectional channel systems{"} (Chambart~\& Schnoebelen,
    CONCUR~2008) are finite-state systems where one-way communication from a
    Sender to a Receiver goes via one reliable and one unreliable unbounded
    fifo channel. While reachability is decidable for these systems, equipping
    them with the possibility of testing regular properties on the contents of
    channels makes it undecidable. Decidability is preserved when only
    emptiness and nonemptiness tests are considered: the proof relies on an
    elaborate reduction to a generalized version of Post's Embedding Problem.}
}
@article{KKS-ipl14,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Karandikar, Prateek and Kufleitner, Manfred and Schnoebelen, {\relax Ph}ilippe},
  title = {On the index of {S}imon's congruence for piecewise testability},
  year = {2015},
  month = apr,
  volume = {15},
  number = {4},
  pages = {515-519},
  url = {http://arxiv.org/abs/1310.1278},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/KKS-ipl14.pdf},
  doi = {10.1016/j.ipl.2014.11.008},
  abstract = {Simon's congruence, denoted \(\sim_{n}\), relates words having
     the same subwords of length up to~\(n\). We~show that, over a
     \(k\)-letter alphabet, the~number of words modulo~\(\sim_{n}\) is in
     \(2^{\Theta(n^{k-1}\cdot\log n)}\).}
}
@article{HSS-lmcs14,
  journal = {Logical Methods in Computer Science},
  author = {Haase, Christoph and Schmitz, Sylvain and Schnoebelen, {\relax Ph}ilippe},
  title = {The Power of Priority Channel Systems},
  year = {2014},
  month = dec,
  volume = 10,
  number = {4:4},
  nopages = {},
  url = {http://arxiv.org/abs/1301.5500},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/HSS-lmcs14.pdf},
  doi = {10.2168/LMCS-10(4:4)2014},
  abstract = {We introduce Priority Channel Systems, a new class of channel
    systems where messages carry a numeric priority and where higher-priority
    messages can supersede lower-priority messages preceding them in the fifo
    communication buffers. The decidability of safety and inevitability
    properties is shown via the introduction of a priority embedding, a
    well-quasi-ordering that has not previously been used in well-structured
    systems. We then show how Priority Channel Systems can compute
    Fast-Growing functions and prove that the aforementioned verification
    problems are \(\mathbf{F}_{\epsilon_{0}}\)-complete.}
}
@inproceedings{LS-rp14,
  address = {Oxford, UK},
  month = sep,
  year = 2014,
  volume = {8762},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  editor = {Ouaknine, Jo{\"e}l and Potapov, Igor and Worrell, James},
  acronym = {{RP}'14},
  booktitle = {{P}roceedings of the 8th {W}orkshop
           on {R}eachability {P}roblems in {C}omputational {M}odels ({RP}'14)},
  author = {Leroux, J{\'e}r{\^o}me and Schnoebelen, {\relax Ph}ilippe},
  title = {On Functions Weakly Computable by {P}etri Nets and Vector
                    Addition Systems},
  pages = {190-202},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/LS-rp14.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/LS-rp14.pdf},
  doi = {    10.1007/978-3-319-11439-2_15},
  abstract = {We show that any unbounded function weakly computable by a Petri
    net or a VASS cannot be sublinear. This answers a long-standing folklore
    conjecture about weakly computing the inverses of some fast-growing
    functions. The proof relies on a pumping lemma for sets of runs in Petri
    nets or VASSes.}
}
@inproceedings{KS-dcfs2014,
  address = {Turku, Finland},
  month = aug,
  year = 2014,
  volume = {8614},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer-Verlag},
  editor = {J{\"u}rgensen, Helmut and Karhum{\"a}ki, Juhani and Okhotin, Alexander},
  acronym = {{DCFS}'14},
  booktitle = {{P}roceedings of the 16th {W}orkshop on {D}escriptional 
  	   {C}omplexity of {F}ormal {S}ystems ({DCFS}'14)},
  author = {Karandikar, Prateek and Schnoebelen, {\relax Ph}ilippe},
  title = {On the state complexity of closures and interiors of regular
                  languages with subwords},
  pages = {234-245},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-dcfs2014.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-dcfs2014.pdf},
  doi = {10.1007/978-3-319-09704-6_21},
  abstract = {We study the state complexity of the set of subwords and
    superwords of regular languages, and provide new lower bounds in the case
    of languages over a two-letter alphabet. We also consider the dual
    interior sets, for which the nondeterministic state complexity has a
    doubly-exponential upper bound. We prove a matching doubly-exponential
    lower bound for downward interiors in the case of an unbounded alphabet.}
}
@article{KS-msttocs14,
  publisher = {Springer},
  journal = {Theory of Computing Systems},
  author = {Karandikar, Prateek and Schnoebelen, {\relax Ph}ilippe},
  title = {Generalized {P}ost Embedding Problems},
  year = {2015},
  volume = 56,
  number = 4,
  pages = {697-716},
  month = may,
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-msttocs14.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-msttocs14.pdf},
  doi = {10.1007/s00224-014-9561-9},
  abstract = {The Regular Post Embedding Problem extended with partial
    (co)directness is shown decidable. This extends to universal and\slash or
    counting versions. It is also shown that combining directness and
    codirectness in Post Embedding problems leads to undecidability.}
}
@inproceedings{KS-fsttcs15,
  address = {Bangalore, India},
  month = dec,
  year = 2015,
  volume = {45},
  series = {Leibniz International Proceedings in Informatics},
  publisher = {Leibniz-Zentrum f{\"u}r Informatik},
  editor = {Harsha, Prahladh and Ramalingam, G.},
  acronym = {{FSTTCS}'15},
  booktitle = {{P}roceedings of the 35th {C}onference on
               {F}oundations of {S}oftware {T}echnology and
               {T}heoretical {C}omputer {S}cience
               ({FSTTCS}'15)},
  author = {Karandikar, Prateek and Schnoebelen, {\relax Ph}ilippe},
  title = {Decidability in the logic of subsequences and supersequences},
  pages = {84-97},
  url = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-fsttcs15.pdf},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/KS-fsttcs15.pdf},
  doi = {10.4230/LIPIcs.FSTTCS.2015.84},
  abstract = {We consider first-order logics of sequences ordered by the
    subsequence ordering, aka sequence embedding. We show that the
    \(\Sigma_{2}\)-theory is undecidable, answering a question left open by
    Kuske. Regarding fragments with a bounded number of variables, we show
    that the \(\textsf{FO}^{2}\)-theory is decidable while the
    \(\textsf{FO}^{3}\)-theory is undecidable.}
}
@techreport{KNS-arxiv14,
  author = {Karandikar, Prateek and Niewerth, Matthias and Schnoebelen, {\relax Ph}ilippe},
  title = {On the state complexity of closures and interiors of regular languages with subwords},
  institution = {Computing Research Repository},
  number = {1406.0690},
  year = {2014},
  month = nov,
  type = {Research Report},
  url = {http://arxiv.org/abs/1406.0690},
  pdf = {http://www.lsv.fr/Publis/PAPERS/PDF/KNS-arxiv14.pdf},
  note = {24~pages},
  abstract = {We study the state complexity of the set of subwords and
    superwords of regular languages, and provide new lower bounds in the case
    of languages over a two-letter alphabet. We also consider the dual
    interior sets, for which the nondeterministic state complexity has a
    doubly-exponential upper bound. We prove a matching doubly-exponential
    lower bound for downward interiors in the case of an unbounded alphabet.}
}
@comment{{B-arxiv16,
  author =		Bollig, Benedikt, 
  affiliation = 	aff-LSVmexico,
  title =    		One-Counter Automata with Counter Visibility, 
  institution = 	Computing Research Repository, 
  number =    		1602.05940, 
  month = 		feb, 
  nmonth =     		2,
  year = 		2016, 
  type = 		RR, 
  axeLSV = 		mexico,
  NOcontrat = 		"",
  
  url =			http://arxiv.org/abs/1602.05940, 
  PDF =			"http://www.lsv.fr/Publis/PAPERS/PDF/B-arxiv16.pdf",
  lsvdate-new =  	20160222,
  lsvdate-upd =  	20160222,
  lsvdate-pub =  	20160222,
  lsv-category = 	"rapl",
  wwwpublic =    	"public and ccsb",
  note = 		18~pages, 

  abstract = "In a one-counter automaton (OCA), one can read a letter
    from some finite alphabet, increment and decrement the counter by
    one, or test it for zero. It is well-known that universality and
    language inclusion for OCAs are undecidable. We consider here OCAs
    with counter visibility: Whenever the automaton produces a letter,
    it outputs the current counter value along with~it. Hence, its
    language is now a set of words over an infinite alphabet. We show
    that universality and inclusion for that model are in PSPACE, thus
    no harder than the corresponding problems for finite automata, which
    can actually be considered as a special case. In fact, we show that
    OCAs with counter visibility are effectively determinizable and
    closed under all boolean operations. As~a~strict generalization, we
    subsequently extend our model by registers. The general nonemptiness
    problem being undecidable, we impose a bound on the number of
    register comparisons and show that the corresponding nonemptiness
    problem is NP-complete.",
}}
@inproceedings{PhS-mfcs17,
  address = {Aalborg, Denmark},
  month = aug,
  year = 2017,
  volume = {83},
  series = {Leibniz International Proceedings in Informatics},
  publisher = {Leibniz-Zentrum f{\"u}r Informatik},
  editor = {Larsen, Kim G. and Bodlaender, Hans L. and Raskin, Jean-Fran{\c{c}}ois},
  acronym = {{MFCS}'17},
  booktitle = {{P}roceedings of the 42nd
               {I}nternational {S}ymposium on
               {M}athematical {F}oundations of 
               {C}omputer {S}cience
               ({MFCS}'17)},
  author = {Schnoebelen, {\relax Ph}ilippe},
  title = {Ideal-Based Algorithms for the Symbolic Verification of Well-Structured Systems (Invited Talk)},
  pages = {85:1-85:4},
  url = {http://drops.dagstuhl.de/opus/volltexte/2017/8139/},
  pdf = {http://drops.dagstuhl.de/opus/volltexte/2017/8139/pdf/LIPIcs-MFCS-2017-85.pdf},
  doi = {10.4230/LIPIcs.MFCS.2017.85},
  abstract = {We explain how the downward-closed subsets of a well-quasi-ordering (\(X,\leq\)) can be represented via the ideals of \(X\) and how this leads to simple and efficient algorithms for the verification of well-structured systems.}
}
@inproceedings{HSZ-lics17,
  address = {Reykjavik, Iceland},
  month = jun,
  publisher = {{IEEE} Press},
  editor = {Ouaknine, Jo{\"e}l},
  acronym = {{LICS}'17},
  booktitle = {{P}roceedings of the 32nd {A}nnual {ACM\slash
            IEEE} {S}ymposium on {L}ogic {I}n {C}omputer {S}cience ({LICS}'17)},
  author = {Halfon, Simon and Schnoebelen, {\relax Ph}ilippe and Zetzsche, Georg},
  title = {Decidability, complexity, and expressiveness of first-order logic over the subword ordering},
  pages = {1-12},
  year = {2017},
  doi = {10.1109/LICS.2017.8005141},
  url = {https://arxiv.org/abs/1701.07470},
  abstract = {We consider first-order logic over the subword ordering on finite words, where each word is available as a constant. Our first result is that the \(\Sigma_1\) theory is undecidable (already over two letters).\par    
We investigate the decidability border by considering fragments where all but a certain number of variables are alternation bounded, meaning that the variable must always be quantified over languages with a bounded number of letter alternations. We prove that when at most two variables are not alternation bounded, the \(\Sigma_1\) fragment is decidable, and that it becomes undecidable when three variables are not alternation bounded. Regarding higher quantifier alternation depths, we prove that the \(\Sigma_2\) fragment is undecidable already for one variable without alternation bound and that when all variables are alternation bounded, the entire first-order theory is decidable.}
}
@article{KS-lmcs19,
  journal = {Logical Methods in Computer Science},
  author = {P. Karandikar and Schnoebelen, {\relax Ph}ilippe},
  title = {The height of piecewise-testable languages and the complexity of the logic of subwords},
  volume = {15},
  number = {2},
  pages = {6:1-6:27},
  year = {2019},
  month = apr,
  pdf = {https://lmcs.episciences.org/5409/pdf},
  url = {https://lmcs.episciences.org/5409},
  abstract = {The height of a piecewise-testable language \(L\) is the maximum length of the words needed to define \(L\) by excluding and requiring given subwords. The height of \(L\) is an important descriptive complexity measure that has not yet been investigated in a systematic way. This paper develops a series of new techniques for bounding the height of finite languages and of languages obtained by taking closures by subwords, superwords and related operations. As an application of these results, we show that \(FO^2(A^*,\sqsubseteq)\), the two-variable fragment of the first-order logic of sequences with the subword ordering, can only express piecewise-testable properties and has elementary complexity.}
}
@article{HS-ipl19,
  publisher = {Elsevier Science Publishers},
  journal = {Information Processing Letters},
  author = {Halfon, Simon and Schnoebelen, {\relax Ph}ilippe},
  title = {On shuffle products, acyclic automata and piecewise-testable languages},
  volume = {145},
  pages = {68-73},
  year = 2019,
  doi = {10.1016/j.ipl.2019.01.012},
  abstract = {We show that the shuffle $L\unicode{x29E2} F$ of a
piecewise-testable language $L$ and a finite language $F$ is
piecewise-testable. The proof relies on a classic but little-used
automata-theoretic characterization of piecewise-testable languages. We
also discuss some mild generalizations of the main result, and provide
bounds on the piecewise complexity of $L\unicode{x29E2} F$.}
}
@inproceedings{Schnoebelen-csl21,
  address = {Ljubljana, Slovenia},
  month = jan,
  series = {Leibniz International Proceedings in Informatics},
  publisher = {Leibniz-Zentrum f{\"u}r Informatik},
  editor = {Baier, Christel and Goubault{-}Larrecq, Jean},
  acronym = {{CSL}'21},
  booktitle = {{P}roceedings of the 29th {A}nnual {EACSL} {C}onference on
                  {C}omputer {S}cience {L}ogic ({CSL}'21)},
  author = {{\relax Ph}ilippe Schnoebelen},
  title = {On flat lossy channel machines},
  pages = {37:1-37:22},
  year = {2021},
  doi = {10.4230/LIPIcs.CSL.2021.37},
  pdf = {https://drops.dagstuhl.de/opus/volltexte/2021/13471/},
  url = {https://drops.dagstuhl.de/opus/volltexte/2021/13471/}
}
@incollection{GHKNS-til2020,
  volume = 53,
  series = {Trends In Logic},
  publisher = {Springer},
  booktitle = {Well-Quasi Orders in Computation, Logic, Language and Reasoning},
  editor = {Schuster, Peter M. and Seisenberger, Monika and Weiermann, Andreas},
  author = {Jean Goubault{-}Larrecq and Simon Halfon and P. Karandikar and K. {Narayan Kumar} and {\relax Ph}ilippe Schnoebelen},
  title = {The Ideal Approach to Computing Closed Subsets in Well-Quasi-Orderings},
  pages = {55-105},
  year = 2020,
  doi = {10.1007/978-3-030-30229-0_3}
}
@incollection{DSS-til2020,
  volume = 53,
  series = {Trends In Logic},
  publisher = {Springer},
  booktitle = {Well-Quasi Orders in Computation, Logic, Language and Reasoning},
  editor = {Schuster, Peter M. and Seisenberger, Monika and Weiermann, Andreas},
  author = {D{\v{z}}amonja, Mirna and Schmitz, Sylvain and Schnoebelen, {\relax Ph}ilippe},
  title = {On Ordinal Invariants in Well Quasi Orders and Finite Antichain Orders},
  pages = {2-54},
  year = 2020,
  doi = {10.1007/978-3-030-30229-0_2}
}
@article{LPSS-lmcs2020,
  journal = {Logical Methods in Computer Science},
  author = {J{\'e}r{\^o}me Leroux and M. Praveen and Gr{\'e}goire Sutre and Schnoebelen, {\relax Ph}ilippe},
  title = {On Functions Weakly Computable by Pushdown {Petri} Nets and Related Systems},
  volume = {15},
  number = {4},
  year = 2019,
  doi = {10.23638/LMCS-15(4:15)2019},
  pdf = {https://arxiv.org/pdf/1904.04090.pdf}
}

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