Thibert-PlanteParrott2007

Référence

Thibert-Plante, X., Parrott, L. (2007) Prisoner’s Dilemma and Clusters on Small-World Networks. Complexity, 12:22-36.

Résumé

Technical The structure of interaction plays an important role in the outcome of evolutionary games. This study investigates the evolution of stochastic strategies of the pris- oner's dilemma played on structures ranging from lattices to small world networks.Strategies and payos are analyzed as a function of the network characteristics of the node they are playing on. Nodes with lattice-like neighbourhoods tend to perform better than the nodes modied during the rewiring process of the construction of the small-world network. Non-technical Studies of the prisoners dilemma played on small-world networks have shown that the population average score decreases as the probability of rewiring is in- creased, leading to the conclusion that a small-world network structure does not favor cooperation. This study shows that the decrease of the average score is not a population-level phenomenon and is caused by only a minority of the population, suggesting that the small-world structure does not a ect the dynamics of all nodes in a network uniformly. This result has implications for understanding the complex dynamics of real-world collaboration networks.

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@ARTICLE { Thibert-PlanteParrott2007,
    AUTHOR = { Thibert-Plante, X. and Parrott, L. },
    TITLE = { Prisoner’s Dilemma and Clusters on Small-World Networks },
    JOURNAL = { Complexity },
    YEAR = { 2007 },
    VOLUME = { 12 },
    PAGES = { 22-36 },
    ABSTRACT = { Technical The structure of interaction plays an important role in the outcome of evolutionary games. This study investigates the evolution of stochastic strategies of the pris- oner's dilemma played on structures ranging from lattices to small world networks.Strategies and payos are analyzed as a function of the network characteristics of the node they are playing on. Nodes with lattice-like neighbourhoods tend to perform better than the nodes modied during the rewiring process of the construction of the small-world network. Non-technical Studies of the prisoners dilemma played on small-world networks have shown that the population average score decreases as the probability of rewiring is in- creased, leading to the conclusion that a small-world network structure does not favor cooperation. This study shows that the decrease of the average score is not a population-level phenomenon and is caused by only a minority of the population, suggesting that the small-world structure does not a ect the dynamics of all nodes in a network uniformly. This result has implications for understanding the complex dynamics of real-world collaboration networks. },
    KEYWORDS = { Small-World Networks; Prisoner's Dilemma; Clusters },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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