Effects of directional migration on prisoner’s dilemma game in a square domain

Hongyan Cheng (), Qionglin Dai, Haihong Li, Xiaolan Qian, Mei Zhang and Junzhong Yang

The European Physical Journal B: Condensed Matter and Complex Systems, 2013, vol. 86, issue 4, 1-6

Abstract: We introduce a new migration rule, the directional migration, into evolutionary prisoner’s dilemma games defined in a square domain with periodic boundary conditions. We find that cooperation can be enhanced to a much higher level than the case in the absence of migration. Additionally, the presence of the directional migration has profound impact on the population structure: the directional migration drives individuals to form a number of dense clusters which resembles social cohesion. The evolutionary game theory incorporating the directional migration can reproduce some real characteristics of populations in human society and may shed light on the problem of social cohesion. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Keywords: Statistical and Nonlinear Physics (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (6)

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DOI: 10.1140/epjb/e2013-40076-5

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