期刊
PHYSICS LETTERS A
卷 379, 期 8, 页码 767-773出版社
ELSEVIER
DOI: 10.1016/j.physleta.2014.12.051
关键词
Cooperation enhancement; Prisoner's dilemma game; Increasing neighborhood size; Individual diversity; Interdependency
资金
- National Natural Science Foundation of China (NSFC) [61403280, 61473203, 61374169, 61203138]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars (Ministry of Education of the People's Republic of China)
- Tianjin Training Plan of University Innovation Team [TD12-5016]
- Elite Scholar Program of Tianjin University
We present an improved spatial prisoner's dilemma game model which simultaneously considers the individual diversity and increasing neighborhood size on two interdependent lattices. By dividing the players into influential and non-influential ones, we can discuss the impact of individual diversity on the cooperative behaviors. Meanwhile, we implement the utility interdependency by integrating the payoff correlations between two lattices. Extensive simulations indicate that the optimal density of influential players exists for the cooperation to be promoted, and can be further facilitated through the utility coupling. Current results are beneficial to understanding the origin of cooperation among selfish agents among realistic scenarios. (C) 2015 Elsevier B.V. All rights reserved.
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