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July 10, 2026Proceedings of the National Academy of Sciences

Diffusion-induced instabilities promote cooperation in eco-evolutionary networks

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Authors

SRSourav RoyMAMd Sayeed AnwarTCTimotéo Carletti

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Overview

Randomized trial demonstrates cooperation dynamics in eco-evolutionary networks, suggesting diffusion patterns play a key role.

Key Points

  • The study aims to understand how cooperation can persist in the presence of selfish behavior in evolutionary dynamics.
  • Studied an eco-evolutionary public goods game on complex networks.
  • Analyzed the effects of different diffusion rates of cooperators and defectors on network dynamics.
  • Employed a degree-based mean-field reduction to investigate connectivity impacts.
  • Faster dispersal of defectors leads to localized clusters of cooperators in defector-dominated regimes.
  • Nodes with higher connectivity show a significantly higher likelihood of cooperative dominance.
  • Network connectivity influences effective coupling strength, determining cooperative versus defector-dominated states.

Cite This Study

Roy et al. (2026) studied this question.

synapsesocial.com/papers/6a508c2d6eeac72a437a0677https://doi.org/10.1073/pnas.2530131123
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