Prisoner's Dilemma Game on Two Types of Positively Correlated Networks
LIU Yong-Kui1, LI Zhi1, CHEN Xiao-Jie2,3, WANG Long1,2
1Center for Complex Systems, Department of Automatic Control Engineering, Xidian University, Xi'an 7100712State Key Laboratory for Turbulence and Complex Systems, Center for Systems and Control, College of Engineering, Peking University, Beijing 1008713Department of Zoology, University of British Columbia, Vancouver BC V6T 1Z4, Canada
Prisoner's Dilemma Game on Two Types of Positively Correlated Networks
LIU Yong-Kui1, LI Zhi1, CHEN Xiao-Jie2,3, WANG Long1,2
1Center for Complex Systems, Department of Automatic Control Engineering, Xidian University, Xi'an 7100712State Key Laboratory for Turbulence and Complex Systems, Center for Systems and Control, College of Engineering, Peking University, Beijing 1008713Department of Zoology, University of British Columbia, Vancouver BC V6T 1Z4, Canada
摘要We study the effects of degree correlations on the evolution of cooperation in the prisoner's dilemma game with individuals located on two types of positively correlated networks. It is shown that the positive degree correlation can either promote or inhibit the emergence of cooperation depending on network configurations. Furthermore, we investigate the probability to cooperate as a function of connectivity degree, and find that high-degree individuals generally have a higher tendency to cooperate. Finally, it is found that small-degree individuals usually change their strategy more frequently, and such change is shown to be unfavourable to cooperation for both kinds of networks.
Abstract：We study the effects of degree correlations on the evolution of cooperation in the prisoner's dilemma game with individuals located on two types of positively correlated networks. It is shown that the positive degree correlation can either promote or inhibit the emergence of cooperation depending on network configurations. Furthermore, we investigate the probability to cooperate as a function of connectivity degree, and find that high-degree individuals generally have a higher tendency to cooperate. Finally, it is found that small-degree individuals usually change their strategy more frequently, and such change is shown to be unfavourable to cooperation for both kinds of networks.
LIU Yong-Kui;LI Zhi;CHEN Xiao-Jie;WANG Long;. Prisoner's Dilemma Game on Two Types of Positively Correlated Networks[J]. 中国物理快报, 2009, 26(4): 48902-048902.
LIU Yong-Kui, LI Zhi, CHEN Xiao-Jie, WANG Long,. Prisoner's Dilemma Game on Two Types of Positively Correlated Networks. Chin. Phys. Lett., 2009, 26(4): 48902-048902.
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