| 论文题目： | Environmental Noise Could Promote Stochastic Local Stability of Behavioral Diversity Evolution |
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| 作者： | 郑秀灯①，#李聪①，#Sabin Lessard*，陶毅* |
| 论文出处： | |
| 年： | 2018 |
| 卷： | 120 |
| 期： | 12 |
| 页： | Article No. 218101 |
| 联系作者： | #Sabin Lessard，陶毅 |
| 发表期刊： | Physical Review Letters |
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| 论文连接 | https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.218101#fulltext |
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| 摘要: | In this Letter, we investigate stochastic stability in a two-phenotype evolutionary game model for an infinite, well-mixed population undergoing discrete, nonoverlapping generations. We assume that the fitness of a phenotype is an exponential function of its expected payoff following random pairwise interactions whose outcomes randomly fluctuate with time. We show that the stochastic local stability of a constant interior equilibrium can be promoted by the random environmental noise even if the system may display a complicated nonlinear dynamics. This result provides a new perspective for a better understanding of how environmental fluctuations may contribute to the evolution of behavioral diversity. |
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