Restructuring of neighborhood definition based on strategies will enhance the cooperation in a spatial prisoner's dilemma

Ken'ichi Kojo and Tomoko Sakiyama

Chaos, Solitons & Fractals, 2024, vol. 179, issue C

Abstract: Defectors often survive in spatial game theory, prompting researchers to devise models for cooperators' survival. However, most models overlook players' perspectives based on their strategies. This study introduces an agent-based model considering players' varied neighborhood conditions. In the first model, losing a competition alters the neighborhood definition, randomly adjusting the number of neighborhoods. In the second model, the number of neighborhoods changes based on the player's strategy after losing a competition. Compared to the other proposed model and a traditional spatial prisoner's dilemma model, the second model facilitates easier maintenance of cooperator density.

Keywords: Definition of neighborhood; Perspective; SPD (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:179:y:2024:i:c:s0960077923013061

DOI: 10.1016/j.chaos.2023.114404

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