Prisoner's Dilemma Game on Clustered Scale-Free Networks under Different Initial Distributions

LEI Chuang; JIA Jian-Yuan; CHEN Xiao-Jie; CONG Rui; WANG Long

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Prisoner's Dilemma Game on Clustered Scale-Free Networks under Different Initial Distributions

机译：不同初始分布下集群无标度网络上的囚徒困境博弈

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The evolutionary prisoner's dilemma game is investigated under different initial distributions for cooperators and defectors on scale-free networks with a tunable clustering coefficient.It is found that,on the one hand,cooperation can be enhanced with the increasing clustering coefficient when only the most connected nodes are occupied by cooperators initially.On the other hand,if cooperators just occupy the lowest-degree nodes at the beginning,then the higher the value of the clustering coefficient,the more unfavorable the environment for cooperators to survive for the increment of temptation to defect.Thereafter,we analytically argue these nontrivial phenomena by calculating the cooperation probability of the nodes with different degrees in the steady state,and obtain the critical values of initial frequency of cooperators below which cooperators would vanish finally for the two initial distributions.

机译：研究了无标度网络上合作者和叛逃者在初始分布不同的情况下的演化囚徒困境博弈，该聚类系数是可调的。发现，一方面，只有最紧密的联系，合作才能随着聚类系数的增加而增强。最初，节点被合作者占据。另一方面，如果合作者在开始时仅占据最低度的节点，则聚类系数的值越高，合作者生存的环境越会受到诱惑的增加。之后，我们通过计算稳态下不同程度节点的协作概率来分析这些非平凡现象，并获得协作者初始频率的临界值，在该临界值之下，对于两个初始分布，协作者最终将消失。

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《中国物理快报：英文版》 |2009年第8期|4-7|共4页
作者
LEI Chuang; JIA Jian-Yuan; CHEN Xiao-Jie; CONG Rui; WANG Long;
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作者单位

School of Mechano-electronic Engineering,Xidian University,Xi'an 710071;

School of Mechano-electronic Engineering,Xidian University,Xi'an 710071;

State Key Laboratory for Turbulence and Complex Systems,Center for Systems and Control,College of Engineering,Peking University,Beijing 100871;

School of Mechano-electronic Engineering,Xidian University,Xi'an 710071;

School of Mechano-electronic Engineering,Xidian University,Xi'an 710071;

State Key Laboratory for Turbulence and Complex Systems,Center for Systems and Control,College of Engineering,Peking University,Beijing 100871;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类物理学;
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Prisoner's Dilemma Game on Clustered Scale-Free Networks under Different Initial Distributions

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