Diversity of reproduction rate supports cooperation in the prisoner's dilemma game on complex networks

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124 Citations (Scopus)

Abstract

In human societies the probability of strategy adoption from a given person may be affected by the personal features. Now we investigate how an artificially imposed restricted ability to reproduce, overruling ones fitness, affects an evolutionary process. For this purpose we employ the evolutionary prisoner's dilemma game on different complex graphs. Reproduction restrictions can have a facilitative effect on the evolution of cooperation that sets in irrespective of particularities of the interaction network. Indeed, an appropriate fraction of less fertile individuals may lead to full supremacy of cooperators where otherwise defection would be widespread. By studying cooperation levels within the group of individuals having full reproduction capabilities, we reveal that the recent mechanism for the promotion of cooperation is conceptually similar to the one reported previously for scale-free networks. Our results suggest that the diversity in the reproduction capability, related to inherently different attitudes of individuals, can enforce the emergence of cooperative behavior among selfish competitors.

Original languageEnglish
Pages (from-to)505-509
Number of pages5
JournalEuropean Physical Journal B
Volume61
Issue number4
DOIs
Publication statusPublished - Feb 2008

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games
Complex networks
fitness
promotion
constrictions
interactions

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Diversity of reproduction rate supports cooperation in the prisoner's dilemma game on complex networks. / Szolnoki, A.; Perc, M.; Szabó, G.

In: European Physical Journal B, Vol. 61, No. 4, 02.2008, p. 505-509.

Research output: Contribution to journalArticle

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