Supporting Information for “Evolution of cooperation in a heterogeneous graph: Fixation probabilities under neutral selection ”

نویسندگان

  • Cong Li
  • Boyu Zhang
  • Ross Cressman
  • Yi Tao
چکیده

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Evolution of Cooperation in a Heterogeneous Graph: Fixation Probabilities under Weak Selection

It has been shown that natural selection favors cooperation in a homogenous graph if the benefit-to-cost ratio exceeds the degree of the graph. However, most graphs related to interactions in real populations are heterogeneous, in which some individuals have many more neighbors than others. In this paper, we introduce a new state variable to measure the time evolution of cooperation in a hetero...

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There are two key characteristic of animal and human societies: (1) degree heterogeneity, meaning that not all individual have the same number of associates; and (2) the interaction topology is not static, i.e. either individuals interact with different set of individuals at different times of their life, or at least they have different associations than their parents. Earlier works have shown ...

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تاریخ انتشار 2013