期刊
PHYSICAL REVIEW E
卷 81, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.81.065101
关键词
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资金
- National Basic Research Program of China (973 Program) [2006CB705500]
- National Natural Science Foundation of China [10975126, 10635040]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20093402110032]
- Swedish Research Council
Both cooperation and migration are ubiquitous in human society and animal world. In this Rapid Communication, we propose an aspiration-induced migration in which individuals will migrate to new sites provided that their payoffs are below some aspiration level. It is found that moderate aspiration level can best favor cooperative behavior. In particular, moderate aspiration level enables cooperator clusters to maintain and expand whereas induces defector clusters to disintegrate, thus promoting the diffusion of cooperation among population. Our results provide insights into understanding the role played by migration in the emergence of cooperative behavior.
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