Enhancement of cooperation in highly clustered scale-free networks

Details Enhancement of cooperation in highly clustered scale-free networks Enhancement of cooperation in highly clustered scale-free networks

2008-01-14

arxiv.org/abs/0801.2146v2

Physical Review E 78, 017101 (2008)

Physics

Physics and Society

4 pages, 3 figures

Scientific paper

10.1103/PhysRevE.78.017101

We study the effect of clustering on the organization of cooperation, by analyzing the evolutionary dynamics of the Prisoner's Dilemma on scale-free networks with a tunable value of clustering. We find that a high value of the clustering coefficient produces an overall enhancement of cooperation in the network, even for a very high temptation to defect. On the other hand, high clustering homogeneizes the process of invasion of degree classes by defectors, decreasing the chances of survival of low densities of cooperator strategists in the network.

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