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平面图上的结构化协调博弈:一种对偶方法

Structured Coordination Games on Planar Graphs: a Dual Approach

John S. McAlister

arXiv 2607.22865首次发表:更新:

AI 中文总结

研究结构化协调博弈中纳什均衡问题,利用势函数和平面图对偶关系定义拟度量空间,证明纳什均衡是全局目标函数局部极小值,在两种策略时可构建动态子图过程概括近视最优反应动态。

AI 中文摘要

在纯协调博弈中,若每个参与者与其他参与者均匀互动,找到纳什均衡很简单。但当参与者具有关系结构时,问题变得更难回答。本文表明,结构化协调博弈的纳什均衡通过势函数代表最小割划分的局部概念。利用平面图对偶中划分与子图的标准关系,定义一个拟度量空间,其中纳什均衡是全局目标函数局部极小值。当博弈限于两种策略且这些结论使我们能构建一个动态子图过程,概括协调博弈的近视最优反应动态。

英文摘要

Finding Nash equilibria in the pure coordination game is trivial when every player interacts with every other player evenly. However, when players have a relational structure, the question becomes harder to answer. Here, we show that Nash equilibria to the structured coordination game represent a local notion of the Min-cut partition by way of the potential function. Using the standard relationship between partitions and subgraphs in the planar dual, we define a quasimetric space for which Nash equilibria are local minimizers of a global objective. When the game is restricted to only two strategies, these results allow us to construct a dynamic subgraph process which recapitulates the Myopic Best Response dynamics of the coordination game.

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