PRISONER'S DILEMMA GAMES WITH SOME TROUBLEMAKERS IN A RANDOM NETWORK

Zhi-Xuan Yang (), Xue-Qing Wang, Xiao-Li Huang and Shou-Liang Bu ()
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Zhi-Xuan Yang: Department of Physics, Dalian University of Technology, Dalian 116024, PRC
Xue-Qing Wang: Department of Physics, Dalian University of Technology, Dalian 116024, PRC
Xiao-Li Huang: Department of Physics, Dalian University of Technology, Dalian 116024, PRC
Shou-Liang Bu: Department of Physics, Dalian University of Technology, Dalian 116024, PRC;

International Journal of Modern Physics C (IJMPC), 2009, vol. 20, issue 03, 491-499

Abstract: We further study the competition among loner, cooperative and defective strategies by considering an evolutionary prisoner's dilemma (PD) game with some troublemakers in the random network by means of Monte Carlo simulations. It can be observed that the frequency of cooperators(fc)decreases with increasing of loners'(e)and defectors' payoffs(b). In particular,fchas a sharp decline when the loners' payoffs approximate 1.0. In addition, we find that introduction of troublemaker strategies prevents the uniform defection in the spatial evolutionary PD games for largebvalues and smallevalues. In practice, it also prevents cooperative strategies and defective strategies from vanishing for largeevalues.

Keywords: Complex network; prisoner's dilemma game; troublemakers; 87.23Ge; 0250Le; 87.23Kg (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S012918310901373X

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