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Authors: Akihiro Takahara 1 and Tomoko Sakiyama 2

Affiliations: 1 Information Systems Science, Graduate School of Science and Engineering, Soka University, Tokyo, Japan ; 2 Department of Information Systems Science, Faculty of Science and Engineering, Soka University, Tokyo, Japan

Keyword(s): Spatial Prisoner’s Dilemma, Populations, Minority.

Abstract: Defectors tend to survive in the spatial prisoner’s dilemma. Thus, many studies have sought to keep the cooperator alive. Here, we aimed to enhance the survival of the cooperator by considering the memory length in the spatial prisoner’s dilemma. In the proposed model, all players are assigned a memory length. Based on this memory length, players updated their strategies to those that were harder to choose in the past only when the score of each neighbor with the same strategy was high. This above strategy update rule therefore alleviates a disadvantageous situation for the player. In this paper, we focused on two cases where the cooperators were initially in the minority and observed their evolution over time. The results showed that the model eventually strives to maintain the cooperator population even when it was initially low.

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Paper citation in several formats:
Takahara, A. and Sakiyama, T. (2024). Twisted Strategy Bolsters Minority Cooperator Populations. In Proceedings of the 16th International Conference on Agents and Artificial Intelligence - Volume 1: ICAART; ISBN 978-989-758-680-4; ISSN 2184-433X, SciTePress, pages 175-178. DOI: 10.5220/0012262000003636

@conference{icaart24,
author={Akihiro Takahara. and Tomoko Sakiyama.},
title={Twisted Strategy Bolsters Minority Cooperator Populations},
booktitle={Proceedings of the 16th International Conference on Agents and Artificial Intelligence - Volume 1: ICAART},
year={2024},
pages={175-178},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012262000003636},
isbn={978-989-758-680-4},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 16th International Conference on Agents and Artificial Intelligence - Volume 1: ICAART
TI - Twisted Strategy Bolsters Minority Cooperator Populations
SN - 978-989-758-680-4
IS - 2184-433X
AU - Takahara, A.
AU - Sakiyama, T.
PY - 2024
SP - 175
EP - 178
DO - 10.5220/0012262000003636
PB - SciTePress

- Science and Technology Publications, Lda.
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