Effect of community structure on coevolutionary dynamics with dynamical linking

Yongkui Liu, Zhi Li, Xiaojie Chen and Long Wang

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 1, 43-49

Abstract: We investigate the effect of community structure on the evolution of cooperation in the prisoner’s dilemma and the snowdrift game with dynamical linking. We show both analytically and numerically that cooperators are generally more favorable on community networks than on networks without community structure, and in particular, there exists an optimal intermediate value of the model parameter leading to the easiest fixation of cooperators. We show that our results are robust with respect to the initial number of cooperators and are valid for a wide range of the ratio of time scales associated with linking and strategy dynamics. Since community structure is ubiquitous in real social networks, our results may provide new insights into the evolution of cooperation in real world.

Keywords: Coevolution; Active linking; Community structure; Cooperation (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:1:p:43-49

DOI: 10.1016/j.physa.2010.02.051

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