2013
DOI: 10.1088/0253-6102/59/3/02
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An Improved Fitness Evaluation Mechanism with Memory in Spatial Prisoner's Dilemma Game on Regular Lattices

Abstract: To deeply understand the emergence of cooperation in natural, social and economical systems, we present an improved fitness evaluation mechanism with memory in spatial prisoner's dilemma game on regular lattices. In our model, the individual fitness is not only determined by the payoff in the current game round, but also by the payoffs in previous round bins. A tunable parameter, termed as the memory strength (µ), which lies between 0 and 1, is introduced into the model to regulate the ratio of payoffs of curr… Show more

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Cited by 10 publications
(2 citation statements)
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“…For any game matrix, IP 0 will still identify other players’ strategies and maximize the difference in stationary payout. Information players should fare well in a variety of other contexts, including asymmetric games and population games on graphs, time-averaged fitness [ 4 ], and increased interaction neighborhood size on regular lattices [ 5 ].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…For any game matrix, IP 0 will still identify other players’ strategies and maximize the difference in stationary payout. Information players should fare well in a variety of other contexts, including asymmetric games and population games on graphs, time-averaged fitness [ 4 ], and increased interaction neighborhood size on regular lattices [ 5 ].…”
Section: Discussionmentioning
confidence: 99%
“…The Prisoner’s Dilemma (PD) [ 1 ] is a two player game with a long history of study in evolutionary game theory [ 2 ] and finite populations [ 3 ]. Work on time-averaged fitness [ 4 ] and interaction neighborhood size on regular lattices [ 5 ], is of particular interest. Payoffs for the Prisoner’s Dilemma are usually defined via a game matrix with T > R > P > S and often 2 R > T + S .…”
Section: Introductionmentioning
confidence: 99%