Evolution of altruism in spatial prisoner’s dilemma: Intra- and inter-cellular interactions

Hiroki Yokoi, Takashi Uehara, Tomoyuki Sakata, Hiromi Naito, Satoru Morita and Kei-ichi Tainaka

Physica A: Statistical Mechanics and its Applications, 2014, vol. 416, issue C, 361-370

Abstract: Iterated prisoner’s dilemma game is carried out on lattice with “colony” structure. Each cell is regarded as a colony which contains plural players with an identical strategy. Both intra- and inter-cellular interactions are assumed. In the former a player plays with all other players in the same colony, while in the latter he plays with one player each from adjacent colonies. Spatial patterns among four typical strategies exhibit various dynamics and winners. Both theory and simulation reveal that All Cooperation (AC) wins, when the members of colony or the intensity of noise increases. This result explains the evolution of altruism in animal societies, even though errors easily occur in animal communications.

Keywords: Iterated prisoner’s dilemma; Intra-cellular interaction; Noise level; String patterns; Evolution of altruism (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:416:y:2014:i:c:p:361-370

DOI: 10.1016/j.physa.2014.09.003

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