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Partial imitation rule in Iterated Prisoner Dilemma game on a square lattice

Authors Wu, Degang
Antony, Mathis Aurelius
Szeto, Kwok Yip
Issue Date 2010
Source NICSO 2010: NATURE INSPIRED COOPERATIVE STRATEGIES FOR OPTIMIZATION, Studies in Computational Intelligence , v.284, 2010, p. 141-150
Summary A realistic replacement of the general imitation rule in the Iterated Prisoner Dilemma (IPD) is investigated with simulation on square lattice, whereby the player, with finite memory, can only imitate those behaviors of the opponents observed in past games. In contrast to standard practice where all the possible behaviors of the opponents are accessible, the new partial imitation rule assumes that the player can at most access those behaviors of his opponent observed in the past few moves. This partial imitation of the behavior in IPD shows very different out-comes in the long time behavior of the games, such as the ranking of various strategies. In particular, the well known tit-for-tat (TFT) strategy loses its importance. © 2010 Springer-Verlag Berlin Heidelberg.
ISSN 1860-949X
ISBN 978-3-642-12537-9
Rights The original publication is available at
Language English
Format Conference paper
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