Reasoning about Equilibria in Game-like Concurrent Systems


Abstract
In this paper we study techniques for reasoning about game-like concurrent systems, where the components of the system act rationally and strategically in pursuit of logically-specified goals. Specifically, we start by presenting a computational model for such concurrent systems, and investigate its computational, mathematical, and game-theoretic properties. We then define and investigate a branching-time temporal logic for reasoning about the equilibrium properties of game-like concurrent systems. The key operator in this temporal logic is a novel path quantifier [NE]phi, which asserts that phi holds on all Nash equilibrium computations of the system.


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