Games with secure equilibria

K. Chatterjee, T.A. Henzinger, M. Jurdziński, in:, Springer, 2005, pp. 141–161.

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In 2-player non-zero-sum games, Nash equilibria capture the options for rational behavior if each player attempts to maximize her payoff. In contrast to classical game theory, we consider lexicographic objectives: first, each player tries to maximize her own payoff, and then, the player tries to minimize the opponent's payoff. Such objectives arise naturally in the verification of systems with multiple components. There, instead of proving that each component satisfies its specification no matter how the other components behave, it often suffices to prove that each component satisfies its specification provided that the other components satisfy their specifications. We say that a Nash equilibrium is secure if it is an equilibrium with respect to the lexicographic objectives of both players. We prove that in graph games with Borel winning conditions, which include the games that arise in verification, there may be several Nash equilibria, but there is always a unique maximal payoff profile of a secure equilibrium. We show how this equilibrium can be computed in the case of omega-regular winning conditions, and we characterize the memory requirements of strategies that achieve the equilibrium.
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This research was supported in part by the ONR grant N00014-02-1-0671, the AFOSR MURI grant F49620-00-1-0327, and the NSF grant CCR-0225610. This is an extended version of the paper “Games with Secure Equilibria” that appeared in the proceedings of Logic in Computer Science (LICS), 2004.
141 - 161
FMCO: Formal Methods for Components and Objects

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Chatterjee K, Henzinger TA, Jurdziński M. Games with secure equilibria. In: Vol 3657. Springer; 2005:141-161. doi:10.1007/11561163_7
Chatterjee, K., Henzinger, T. A., & Jurdziński, M. (2005). Games with secure equilibria (Vol. 3657, pp. 141–161). Presented at the FMCO: Formal Methods for Components and Objects, Springer.
Chatterjee, Krishnendu, Thomas A Henzinger, and Marcin Jurdziński. “Games with Secure Equilibria,” 3657:141–61. Springer, 2005.
K. Chatterjee, T. A. Henzinger, and M. Jurdziński, “Games with secure equilibria,” presented at the FMCO: Formal Methods for Components and Objects, 2005, vol. 3657, pp. 141–161.
Chatterjee K, Henzinger TA, Jurdziński M. 2005. Games with secure equilibria. FMCO: Formal Methods for Components and Objects, LNCS, vol. 3657, 141–161.
Chatterjee, Krishnendu, et al. Games with Secure Equilibria. Vol. 3657, Springer, 2005, pp. 141–61, doi:10.1007/11561163_7.


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