Evolutionary Prisoners' Dilemma Game on Scale-Free Networks with Degree-Degree Correlation
CHENG Hong-Yan1,2, DAI Qiong-Lin1, LI Hai-Hong1, YANG Jun-Zhong1
1School of Science, Beijing University of Posts and Telecommunications, Beijing 100876 2Department of Physics, Beijing Normal University, Beijing 100875
Evolutionary Prisoners' Dilemma Game on Scale-Free Networks with Degree-Degree Correlation
CHENG Hong-Yan1,2, DAI Qiong-Lin1, LI Hai-Hong1, YANG Jun-Zhong1
1School of Science, Beijing University of Posts and Telecommunications, Beijing 100876 2Department of Physics, Beijing Normal University, Beijing 100875
摘要Degree-degree correlation and heterogeneity in degree are important topological properties characterizing scale-free networks. We consider an evolutionary prisoners' dilemma game on scale-free networks and investigate how degree-degree correlation influences cooperation. It is found that the cooperator frequency displays resonance-like behavior with the variation of Pearson correlation coefficient. A measure on local heterogeneity in a network is proposed and it is realized that cooperation is proportional to the local heterogeneity.
Abstract：Degree-degree correlation and heterogeneity in degree are important topological properties characterizing scale-free networks. We consider an evolutionary prisoners' dilemma game on scale-free networks and investigate how degree-degree correlation influences cooperation. It is found that the cooperator frequency displays resonance-like behavior with the variation of Pearson correlation coefficient. A measure on local heterogeneity in a network is proposed and it is realized that cooperation is proportional to the local heterogeneity.
CHENG Hong-Yan;DAI Qiong-Lin;LI Hai-Hong;YANG Jun-Zhong
. Evolutionary Prisoners' Dilemma Game on Scale-Free Networks with Degree-Degree Correlation[J]. 中国物理快报, 2010, 27(10): 100201-100201.
CHENG Hong-Yan, DAI Qiong-Lin, LI Hai-Hong, YANG Jun-Zhong
. Evolutionary Prisoners' Dilemma Game on Scale-Free Networks with Degree-Degree Correlation. Chin. Phys. Lett., 2010, 27(10): 100201-100201.
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