Computer Science > Computer Science and Game Theory
[Submitted on 4 Apr 2022 (v1), last revised 10 Oct 2023 (this version, v2)]
Title:On the Global Convergence of Stochastic Fictitious Play in Stochastic Games with Turn-based Controllers
View PDFAbstract:This paper presents a learning dynamic with almost sure convergence guarantee for any stochastic game with turn-based controllers (on state transitions) as long as stage-payoffs induce a zero-sum or identical-interest game. Stage-payoffs for different states can even have different structures, e.g., by summing to zero in some states and being identical in others. The dynamics presented combines the classical stochastic fictitious play with value iteration for stochastic games. There are two key properties: (i) players play finite horizon stochastic games with increasing lengths within the underlying infinite-horizon stochastic game, and (ii) the turn-based controllers ensure that the auxiliary stage-games (induced from the continuation payoff estimated) are strategically equivalent to zero-sum or identical-interest games.
Submission history
From: Muhammed Omer Sayin [view email][v1] Mon, 4 Apr 2022 11:03:13 UTC (63 KB)
[v2] Tue, 10 Oct 2023 12:15:14 UTC (63 KB)
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