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Scaling the phase-planes of social dilemma strengths shows game-class changes in the five rules governing the evolution of cooperation


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タイトル: Scaling the phase-planes of social dilemma strengths shows game-class changes in the five rules governing the evolution of cooperation
著者: Ito, Hiromu / Tanimoto, Jun
発行日: 2018年10月 1日
出版者: Royal Society Publishing
引用: Royal Society Open Science, 5(10), 181085; 2018
抄録: Game theory has been extensively applied to help explain how cooperative behaviour is promoted in human and animal societies. How do humans and animals establish reciprocity when confronting a social dilemma? In 2006, Nowak theoretically proved that numerous mechanisms and models for evolving cooperative behaviour reported over the last few decades can be distilled into five reciprocity mechanisms (rules). Additionally, universal scaling parameters were proposed to measure two different types of dilemmas, namely, the gamble-intending dilemma (GID) and risk-averting dilemma (RAD). In this work, by drawing a RAD-GID phase-plane diagram for pair-wise games, we prove that these five rules are indeed quite different for the resolution (relaxation) of the two dilemmas. These diagrams also demonstrate whether and when game-class change (resolution of a dilemma) occurs, thus implying how defectors can be eliminated.
キーワード: Altruism / Evolutionary games / Reciprocity / Scaling parameters / Social viscosity
URI: http://hdl.handle.net/10069/38726
DOI: 10.1098/rsos.181085
権利: ©2018 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:120 学術雑誌論文

引用URI : http://hdl.handle.net/10069/38726

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