Chen, Ya-Shan; Lin, Hai; Wu, Chen-Xu - In: Physica A: Statistical Mechanics and its Applications 385 (2007) 1, pp. 379-384
The evolution of strategies in the iterated prisoner's dilemma on scale-free networks is investigated. It is found that the smaller the average degree is, the easier it is to promote cooperation by natural selection. Cooperation on scale-free networks built upon big clustering coefficients is...