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来源类型 | Article |
规范类型 | 其他 |
DOI | 10.1016/j.jtbi.2015.05.020 |
Evolutionary dynamics of fairness on graphs with migration. | |
Wang X; Chen X; Wang L | |
发表日期 | 2015 |
出处 | Journal of Theoretical Biology 380: 103-114 |
出版年 | 2015 |
语种 | 英语 |
摘要 | Individual migration plays a crucial role in evolutionary dynamics of population on networks. In this paper, we generalize the networked ultimatum game by diluting population structures as well as endowing individals with migration ability, and investigate evolutionary dynamics of fairness on graphs with migration in the ultimatum game. We first revisit the impact of node degree on the evolution of fairness. Interestingly, numerical simulations reveal that there exists an optimal value of node degree resulting in the maximal offer level of populations. Then we explore the effects of dilution and migration on the evolution of fairness, and find that both the dilution of population structures and the endowment of migration ability to individuals would lead to the drop of offer level, while the rise of acceptance level of populations. Notably, natural selection even favors the evolution of self-incompatible strategies, when either vacancy rate or migration rate exceeds a critical threshold. To confirm our simulation results, we also propose an analytical method to study the evolutionary dynamics of fairness on graphs with migration. This method can be applied to explore any games governed by pairwise interactions in finite populations. |
主题 | Evolution and Ecology (EEP) |
关键词 | Evolutionary game theory population structure |
URL | http://pure.iiasa.ac.at/id/eprint/11443/ |
来源智库 | International Institute for Applied Systems Analysis (Austria) |
引用统计 | |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/130353 |
推荐引用方式 GB/T 7714 | Wang X,Chen X,Wang L. Evolutionary dynamics of fairness on graphs with migration.. 2015. |
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