Dynamical Organization of Cooperation in Complex Topologies
Abstract
The understanding of cooperative phenomena in natural and social systems has been the subject of intense research during decades. In this paper, we address the problem of how cooperation is organized in complex topologies by analyzing the Prisoner's Dilemma. We characterize in-depth the microscopic structure of cooperation and show that the stationary level of cooperation consists of individuals with frozen as well as fluctuating strategies. Our results also show that the paths towards cooperation (or defection) strongly depend on the underlying structure and explain why cooperation in SF networks is favored.Keywords
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