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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
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1School of Science, Beijing University of Posts and Telecommunications, Beijing 100876
2Department of Physics, Beijing Normal University, Beijing 100875
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| Cite this article: |
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CHENG Hong-Yan, DAI Qiong-Lin, LI Hai-Hong et al 2010 Chin. Phys. Lett. 27 100201 |
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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.
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02.50.Le
87.23.Kg
89.75.Fb
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Received: 18 May 2010
Published: 26 September 2010
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| PACS: |
02.50.Le
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(Decision theory and game theory)
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87.23.Kg
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(Dynamics of evolution)
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89.75.Fb
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(Structures and organization in complex systems)
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