Individual’s strategy characterized by local topology conditions in prisoner’s dilemma on scale-free networks

Dong-Ping Yang, J.W. Shuai, Hai Lin and Chen-Xu Wu

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 13, 2750-2756

Abstract: We introduce a “gradient” to find out the defectors, and further a “topology potential” to characterize the individual’s strategy preference in the prisoner’s dilemma on scale-free networks. It is shown that the cooperators typically locate on the nodes with high topology potential and the defectors are mainly found on the nodes with small topology potential. A critical topology potential is found for the nodes where cooperators are nip and tuck with defectors. So the information of node’s degree, gradient and topology potential together can predict individual’s strategy decision in the prisoner’s dilemma on the complex networks.

Keywords: Scale-free networks; Prisoner’s dilemma; Cooperation; Game theory (search for similar items in EconPapers)
Date: 2009
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:13:p:2750-2756

DOI: 10.1016/j.physa.2009.03.013

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