Subgame-perfect Equilibria in Mean-payoff Games (journal version)
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Published:2023-10-25
Issue:
Volume:Volume 19, Issue 4
Page:
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ISSN:1860-5974
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Container-title:Logical Methods in Computer Science
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language:en
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Short-container-title:
Author:
Brice Léonard,Bogaard Marie van den,Raskin Jean-François
Abstract
In this paper, we provide an effective characterization of all the
subgame-perfect equilibria in infinite duration games played on finite graphs
with mean-payoff objectives. To this end, we introduce the notion of
requirement, and the notion of negotiation function. We establish that the
plays that are supported by SPEs are exactly those that are consistent with a
fixed point of the negotiation function. Finally, we use that characterization
to prove that the SPE threshold problem, who status was left open in the
literature, is decidable.
Publisher
Centre pour la Communication Scientifique Directe (CCSD)
Subject
General Computer Science,Theoretical Computer Science