Nash Equilibrium and Learning Dynamics in Three-Player Matching $m$-Action Games

Fuente: arXiv
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Autores principales: Fujimoto, Yuma, Ariu, Kaito, Abe, Kenshi
Formato: Preprint
Publicado: 2024
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author Fujimoto, Yuma
Ariu, Kaito
Abe, Kenshi
author_facet Fujimoto, Yuma
Ariu, Kaito
Abe, Kenshi
contents Learning in games discusses the processes where multiple players learn their optimal strategies through the repetition of game plays. The dynamics of learning between two players in zero-sum games, such as Matching Pennies, where their benefits are competitive, have already been well analyzed. However, it is still unexplored and challenging to analyze the dynamics of learning among three players. In this study, we formulate a minimalistic game where three players compete to match their actions with one another. Although interaction among three players diversifies and complicates the Nash equilibria, we fully analyze the equilibria. We also discuss the dynamics of learning based on some famous algorithms categorized into Follow the Regularized Leader. From both theoretical and experimental aspects, we characterize the dynamics by categorizing three-player interactions into three forces to synchronize their actions, switch their actions rotationally, and seek competition.
format Preprint
id arxiv_https___arxiv_org_abs_2402_10825
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Nash Equilibrium and Learning Dynamics in Three-Player Matching $m$-Action Games
Fujimoto, Yuma
Ariu, Kaito
Abe, Kenshi
Computer Science and Game Theory
Multiagent Systems
Optimization and Control
Chaotic Dynamics
Learning in games discusses the processes where multiple players learn their optimal strategies through the repetition of game plays. The dynamics of learning between two players in zero-sum games, such as Matching Pennies, where their benefits are competitive, have already been well analyzed. However, it is still unexplored and challenging to analyze the dynamics of learning among three players. In this study, we formulate a minimalistic game where three players compete to match their actions with one another. Although interaction among three players diversifies and complicates the Nash equilibria, we fully analyze the equilibria. We also discuss the dynamics of learning based on some famous algorithms categorized into Follow the Regularized Leader. From both theoretical and experimental aspects, we characterize the dynamics by categorizing three-player interactions into three forces to synchronize their actions, switch their actions rotationally, and seek competition.
title Nash Equilibrium and Learning Dynamics in Three-Player Matching $m$-Action Games
topic Computer Science and Game Theory
Multiagent Systems
Optimization and Control
Chaotic Dynamics
url https://arxiv.org/abs/2402.10825