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arXiv 1704.07565q-bio.PEcond-mat.stat-mech
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随机洛特卡-沃尔泰拉模型到群体遗传学和博弈论模型的映射

A mapping of the stochastic Lotka-Volterra model to models of population genetics and game theory

George W. A. Constable, Alan J. McKane

摘要:

利用时标分离论探讨了M种群随机Lotka-Volterra竞争(SLVC)模型与群体遗传学M等位基因Moran模型之间的关系.当物种的选择是弱的,人口规模是大的,但有限的,精确的条件下确定的SLVC模型的随机动态可映射到中立的莫兰模型,莫兰模型与频率无关的选择和莫兰模型与频率相关的选择(相当于,一个游戏理论制定的莫兰模型)。我们演示了如何使用这些映射来计算灭绝概率和时间,直到一个物种的灭绝在SLVC模型。

英文摘要:

The relationship between the M-species stochastic Lotka-Volterra competition (SLVC) model and the M-allele Moran model of population genetics is explored via timescale separation arguments. When selection for species is weak and the population size is large but finite, precise conditions are determined for the stochastic dynamics of the SLVC model to be mappable to the neutral Moran model, the Moran model with frequency-independent selection and the Moran model with frequency-dependent selection (equivalently, a game-theoretic formulation of the Moran model). We demonstrate how these mappings can be used to calculate extinction probabilities and the times until a species' extinction in the SLVC model.

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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