Communication Dans Un Congrès Année : 2024

Escape Rate Games

Marianne Akian
  • Fonction : Auteur
Stéphane Gaubert
  • Fonction : Auteur
Loïc Marchesini
  • Fonction : Auteur

Résumé

We consider a new class of repeated zero-sum games in which the payo↵ of one player is the escape rate of a dynamical system which evolves according to a nonexpansive nonlinear operator depending on the actions of both players. Considering order preserving finite dimensional linear operators over the positive cone endowed with Hilbert's projective (hemi-)metric, we recover the matrix multiplication games, introduced by Asarin et al., which generalize the joint spectral radius of sets of nonnegative matrices and arise in some population dynamics problems (growth maximization and minimization). We establish a two-player version of Mañé's lemma characterizing the value of the game in terms of a nonlinear eigenproblem. This generalizes to the two-player case the characterization of joint spectral radii in terms of extremals norms. This also allows us to show the existence of optimal strategies of both players.

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hal-04912571 , version 1 (27-01-2025)

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  • HAL Id : hal-04912571 , version 1

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Marianne Akian, Stéphane Gaubert, Loïc Marchesini. Escape Rate Games. 26th International Symposium on Mathematical Theory of Networks and Systems (Extended Abstract), Aug 2024, Cambridge (Angleterre), United Kingdom. ⟨hal-04912571⟩
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