LSV Seminar

The LSV seminar takes place on Tuesday at 11:00 AM. The usual location is the conference room at Pavillon des Jardins (venue). If you wish to be informed by e-mail about upcoming seminars, please contact Stéphane Le Roux and Matthias Fuegger.

The seminar is open to public and does not require any form of registration.

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Channel Synthesis for Finite Transducers

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 Mathieu Sassolas
Date
Tuesday, February 28 2012 at 11:00AM
Place
Salle de Conférence (Pavillon des Jardins)
Speaker
Mathieu Sassolas (Université Libre de Bruxelles)

We investigate how two agents can communicate through a noisy medium modeled as a finite transducer. In terms of security, this communication -- if unintended by the system's designer -- can be seen as an information leak through the system.

The sender and the receiver are also described by finite transducers which can respectively encode and decode binary messages. When the communication is reliable, modulo some transmission delay or errors, we call the encoder/decoder pair a channel.

We study the channel synthesis problem, which asks whether, given a system, such sender and receiver exist and builds them if the answer is positive. We prove that the problem is undecidable. However, when the transducer is functional, we obtain a synthesis procedure based on a structural property.

This is joint work with Gilles Benattar, Béatrice Bérard, Didier Lime, John Mullins and Olivier H. Roux.


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Agenda

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Tue, Jan 22
Tue, Jan 29
Tue, Feb 5
Tue, Feb 19

Past seminars