Transitions between homophilic and heterophilic modes of cooperation

Genki Ichinose, Masaya Saito, Hiroki Sayama, Hugues Bersini

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cooperation is ubiquitous in biological and social systems. Previous studies revealed that a preference toward similar appearance promotes cooperation, a phenomenon called tag-mediated cooperation or communitarian cooperation. This effect is enhanced when a spatial structure is incorporated, because space allows agents sharing an identical tag to regroup to form locally cooperative clusters. In spatially distributed settings, one can also consider migration of organisms, which has a potential to further promote evolution of cooperation by facilitating spatial clustering. However, it has not yet been considered in spatial tag-mediated cooperation models. Here we show, using computer simulations of a spatial model of evolutionary games with organismal migration, that tag-based segregation and homophilic cooperation arise for a wide range of parameters. In the meantime, our results also show another evolutionarily stable outcome, where a high level of heterophilic cooperation is maintained in spatially well-mixed patterns. We found that these two different forms of tag-mediated cooperation appear alternately as the parameter for temptation to defect is increased.

Original languageEnglish
JournalJASSS
Volume18
Issue number4
DOIs
Publication statusPublished - 2015 Oct 1
Externally publishedYes

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Defects
Computer simulation
migration
social system
computer simulation
segregation

Keywords

  • Evolution of cooperation
  • Migration
  • Segregation
  • Spatial structure
  • Tag

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Social Sciences(all)

Cite this

Transitions between homophilic and heterophilic modes of cooperation. / Ichinose, Genki; Saito, Masaya; Sayama, Hiroki; Bersini, Hugues.

In: JASSS, Vol. 18, No. 4, 01.10.2015.

Research output: Contribution to journalArticle

Ichinose, Genki ; Saito, Masaya ; Sayama, Hiroki ; Bersini, Hugues. / Transitions between homophilic and heterophilic modes of cooperation. In: JASSS. 2015 ; Vol. 18, No. 4.
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