Proceedings of the Annual Conference of JSAI
Online ISSN : 2758-7347
37th (2023)
Session ID : 2T4-GS-5-01
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Unilateral-Defection, Mutual-Defection strategy in Iterated Prisoner's Dilemma with Implementation Errors
*Shinnichiro MURAIAtushi IWASAKI
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

In this study, we examine what strategies survive under infinite group dynamics when players cause implementation errors in an iterated prisoner's dilemma. In the previous studies, the Win-Stay, Lose-Shift (WSLS) strategy, which is a representative strategy can be the most abundant in the presence of implementation errors among memory-one strategies. In contrast, we use replicator-mutator dynamics to examine the consequences in a strategy space represented by finite state automata within two states. As a result, we observe a Unilateral Defection, Mutual Defection (UDMD) strategy that behaves effectively when players cause implementation errors, and clarified the survival process.

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© 2023 The Japanese Society for Artificial Intelligence
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