Evolution of cooperation by reciprocation within structured demes

  title={Evolution of cooperation by reciprocation within structured demes},
  author={Narahari V. Joshi},
  journal={Journal of Genetics},
The iterative two-person Prisoners’ Dilemma game has been generalised to theN-person case. The evolution of cooperation is explored by matching the Tit For Tat (TFT) strategy (Axelrod and Hamilton 1981) against the selfish strategy. Extension of TFT toN-person situations yields a graded set of strategies from the softest TFT, which continues cooperation even if only one of the opponents reciprocates it, to the hardest, which would do so only when all the remaining opponents cooperate. The… CONTINUE READING

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