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The HoneyComb Paradigm for Research on Collective Human Behavior
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Mutualism and evolutionary multiplayer games: revisiting the Red King.

Chaitanya S Gokhale1, Arne Traulsen

  • 1Research Group for Evolutionary Theory, Max-Planck-Institute for Evolutionary Biology, August-Thienemann-Straße 2, 24306 Plön, Germany. gokhale@evolbio.mpg.de

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In mutualistic species, slower evolution can be beneficial. However, multiplayer games show faster evolution may be favored, linking group size to evolutionary rates.

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Area of Science:

  • Evolutionary Biology
  • Game Theory
  • Ecology

Background:

  • Coevolution often drives faster evolutionary rates in antagonistic interactions (Red Queen race).
  • Mutualistic relationships may favor slower evolution (Red King effect), benefiting the slower species.
  • Previous models often focused on pairwise interactions.

Purpose of the Study:

  • To investigate the impact of multiplayer interactions on the evolution of evolutionary rates in mutualistic species.
  • To explore how group size influences the Red King effect and benefit distribution.

Main Methods:

  • Utilized evolutionary multiplayer game theory to model interspecies interactions.
  • Analyzed scenarios involving multiple individuals within each species.

Main Results:

  • Contrary to two-player models, faster evolutionary rates can be favored in multiplayer mutualistic settings.
  • The structure of multiplayer games significantly impacts benefit distribution.
  • A correlation between the evolution of the rate of evolution and group size was identified.

Conclusions:

  • The Red King effect, where slower evolution is favored in mutualism, may not hold in multiplayer scenarios.
  • Group size and game complexity are critical factors in determining optimal evolutionary strategies.
  • This study highlights the importance of considering multiplayer dynamics in coevolutionary research.