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arXiv 2401.16670math.CO
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随机进行的组合博弈:Chomp(巧克力博弈)与nim(尼姆博弈)

Combinatorial games played randomly: Chomp and nim

Pat Devlin, Paulina Trifonova

AI总结:

该研究针对双方随机走子的组合博弈模型,推导了任意起始条件下Chomp博弈的期望回合数闭式解、两行及以内Chomp的获胜概率公式,并完整分析了随机对弈下nim博弈的期望回合数与获胜概率。

摘要:

在本研究短文中,我们探究双方均随机走子的组合博弈(每回合独立地从合法走法中均匀随机选择一种)。在此模型下,我们给出了任意起始条件下Chomp博弈的期望回合数的闭式表达式。我们还推导并证明了行数不超过两行的任意Chomp博弈的获胜概率公式。此外,我们通过求出任意起始位置下的期望回合数与获胜概率,完整分析了随机对弈模式下的nim博弈。

英文摘要:

In this note, we investigate combinatorial games where both players move randomly (each turn, independently selecting a legal move uniformly at random). In this model, we provide closed-form expressions for the expected number of turns in a game of Chomp with any starting condition. We also derive and prove formulas for the win probabilities for any game of Chomp with at most two rows. Additionally, we completely analyze the game of nim under random play by finding the expected number of turns and win probabilities from any starting position.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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