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  1. 010 学術雑誌論文
  2. 大槻, 久 / OHTSUKI, Hisashi

Direct reciprocity on graphs

https://ir.soken.ac.jp/records/3660
https://ir.soken.ac.jp/records/3660
4832ae11-1deb-466d-bac1-96d0b424a59f
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-06-27
タイトル
タイトル Direct reciprocity on graphs
タイトル
タイトル Direct reciprocity on graphs
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 OHTSUKI, Hisashi

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OHTSUKI, Hisashi

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NOWAK, Martin A

× NOWAK, Martin A

NOWAK, Martin A

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著者別名 大槻, 久

× 大槻, 久

大槻, 久

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抄録
内容記述タイプ Abstract
内容記述 Direct reciprocity is a mechanism for the evolution of cooperation based on the idea of repeated encounters between the same two individuals. Here we examine direct reciprocity in structured populations, where individuals occupy the vertices of a graph. The edges denote who interacts with whom. The graph represents spatial structure or a social network. For birth–death or pairwise comparison updating, we find that evolutionary stability of direct reciprocity is more restrictive on a graph than in a well-mixed population, but the condition for reciprocators to be advantageous is less restrictive on a graph. For death–birth and imitation updating, in contrast, both conditions are easier to fulfill on a graph. Moreover, for all four update mechanisms, reciprocators can dominate defectors on a graph, which is never possible in a well-mixed population. We also study the effect of an error rate, which increases with the number of links per individual; interacting with more people simultaneously enhances the probability of making mistakes. We provide analytic derivations for all results.
書誌情報 Journal of Theoretical Biology
en : Journal of Theoretical Biology

巻 247, 号 3, p. 462-470, 発行日 2007-08-07
出版者
出版者 Elsevier
ISSN
収録物識別子タイプ ISSN
収録物識別子 00225193
DOI
識別子タイプ DOI
関連識別子 http://doi.org/10.1016/j.jtbi.2007.03.018
関連名称 10.1016/j.jtbi.2007.03.018
権利
権利情報 © 2007 Elsevier Ltd.
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