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Spatial strategies in a generalized spatial prisoner’s dilemma

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Abstract

Many strategies, such as tit-for-tat, have been proposed in the iterated prisoner’s dilemma (IPD) in which the prisoner’s dilemma (PD) is carried out repeatedly with two players. A spatial version of the iterated prisoner’s dilemma (SPD) has been studied, where a player at each site plays the IPD game with all the players in the neighborhood. However, the strategies studied in the SPD consider the past actions of a single opponent only. We studied spatial strategies that depend on the configuration of actions taken by all neighbors (as opposed to conventional temporal strategies). Since generosity can be considered as a spatial strategy, we first investigate the generosity required when an action error is involved. We also propose several spatial strategies that outperform many others.

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Authors and Affiliations

  1. Department of Knowledge-Based Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi, 441-8580, Japan

    Yoshiteru Ishida & Toshikatsu Mori

Authors
  1. Yoshiteru Ishida
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  2. Toshikatsu Mori
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Corresponding author

Correspondence to Yoshiteru Ishida.

Additional information

This work was presented, in part, at the 9th International Symposium on Artificial Life and Robotics, Oita, Japan, January 28–30, 2004

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Ishida, Y., Mori, T. Spatial strategies in a generalized spatial prisoner’s dilemma. Artif Life Robotics 9, 139–143 (2005). https://doi.org/10.1007/s10015-004-0341-5

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  • DOI: https://doi.org/10.1007/s10015-004-0341-5

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