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This research investigates how mutation influences cooperation in repeated games within structured populations.

Mutation promote cooperation in repeated games on structured populations

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This research investigates how mutation influences cooperation in repeated games within structured populations.
Simulated repeated games on structured populations
Analyzed different mutation rates
Explored parameter-dependent mutation regimes
Utilized Erdős–Rényi random networks to assess robustness
Cooperation is difficult to sustain with rare mutations
Moderate mutation significantly promotes cooperation
Optimal mutation regimes depend on payoff parameters
Mutations facilitate cooperation even at low benefit-cost ratios
Findings are consistent across varying network structures.

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Simulations reveal moderate mutation enhances cooperation in structured populations, suggesting new evolutionary dynamics.

Liu et al. (2026) studied this question.

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