Research

Professor Sylvain Sorin, Sorbonne University

"Equilibria and variational inequalities"
Tuesday, 12 May 2026. 16:00
Room 281 ASBS

Abstract

We describe and study some links between equilibria in games and variational inequalities.

The analysis covers:

• potential and dissipative games,
• internal and external solutions to variational inequalities,
• connection with game dynamics and no-regret procedures,
• manifold of internal solutions.

Bio

Sylvain Sorin is a Professor at the Sorbonne University. He graduated in 1976 from the École Normale Supérieure de Saint-Cloud and received his Doctorat d’Etat in 1981 from Paris VI. Since then, he has made fundamental contributions to a variety of areas in the Theory of Games: repeated games, stochastic games, merging and reputation, and approachability. Beyond the force of his ideas, he has played a significant role in the cultivation and subsequent flourishing of what might arguably be called a « French School » of Game Theory. 

 

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First published: 21 April 2026