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Impact of generalized benefit functions on the evolution of cooperation in spatial public goods games with continuous strategies

Chen, Xiaojie ; Szolnoki, Attila ; Perc, Matjaz ; Wang, Long; Wang, Long (pacrepositoryorg)

arXiv.org, Jun 29, 2012 [Tạp chí có phản biện]

E-ISSN: 2331-8422 ; DOI: 10.1103/PhysRevE.85.066133

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  • Nhan đề:
    Impact of generalized benefit functions on the evolution of cooperation in spatial public goods games with continuous strategies
  • Tác giả: Chen, Xiaojie ; Szolnoki, Attila ; Perc, Matjaz ; Wang, Long
  • Wang, Long (pacrepositoryorg)
  • Chủ đề: Cooperation ; Game Theory ; Evolution ; Cooperation ; Slopes ; Physics and Society ; Statistical Mechanics ; Populations and Evolution
  • Là 1 phần của: arXiv.org, Jun 29, 2012
  • Mô tả: Cooperation and defection may be considered as two extreme responses to a social dilemma. Yet the reality is much less clear-cut. Between the two extremes lies an interval of ambivalent choices, which may be captured theoretically by means of continuous strategies defining the extent of the contributions of each individual player to the common pool. If strategies are chosen from the unit interval, where 0 corresponds to pure defection and 1 corresponds to the maximal contribution, the question is what is the characteristic level of individual investments to the common pool that emerges if the evolution is guided by different benefit functions. Here we consider the steepness and the threshold as two parameters defining an array of generalized benefit functions, and we show that in a structured population there exist intermediate values of both at which the collective contributions are maximal. However, as the cost-to-benefit ratio of cooperation increases the characteristic threshold decreases,...
  • Ngôn ngữ: English
  • Số nhận dạng: E-ISSN: 2331-8422 ; DOI: 10.1103/PhysRevE.85.066133

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