Five rules for the evolution of cooperation by Martin A. Nowak
ID: five-rules-for-the-evolution-of-cooperation-by-martin-a-nowak
By Martin A. Nowak.
Verified locator: Science 314 (2006), 1560–1563; DOI 10.1126/science.1133755. Direct reciprocity, equation 2; supporting material gives the donation-game payoff matrices.
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