Randomness enhances cooperation: a resonance type phenomenon in evolutionary games

Details Randomness enhances cooperation: a resonance type phenomenon in evolutionary games Randomness enhances cooperation: a resonance type phenomenon in evolutionary games

2006-07-18

arxiv.org/abs/cond-mat/0607457v2

Phys. Rev. E, 75, 045101(R), (2007)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 5 figures

Scientific paper

10.1103/PhysRevE.75.045101

We investigate the effect of randomness in both relationships and decisions on the evolution of cooperation. Simulation results show, in such randomness' presence, the system evolves to a more frequency cooperation state than in its absence. Specifically, there is an optimal amount of randomness, which can induce the highest level of cooperation. The mechanism of randomness promoting cooperation resembles a coherence-resonance-like fashion, which could be of particular interest in evolutionary game dynamics in economic, biological and social systems.

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