{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,7]],"date-time":"2025-07-07T04:05:58Z","timestamp":1751861158668},"reference-count":33,"publisher":"World Scientific Pub Co Pte Lt","issue":"03","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Bifurcation Chaos"],"published-print":{"date-parts":[[2010,3]]},"abstract":"<jats:p> In this paper we study the cooperative behavior of agents playing the Prisoner's Dilemma game in random scale-free networks. We show that the survival of cooperation is enhanced with respect to random homogeneous graphs but, on the other hand, decreases when compared to that found in Barab\u00e1si\u2013Albert scale-free networks. We show that the latter decrease is related to the structure of cooperation. Additionally, we present a mean field approximation for studying evolutionary dynamics in networks with no degree-degree correlations and with arbitrary degree distribution. The mean field approach is similar to the one used for describing the disease spreading in complex networks, making a further compartmentalization of the strategists partition into degree-classes. We show that this kind of approximation is suitable to describe the behavior of the system for a particular set of initial conditions, such as the placement of cooperators in the higher-degree classes, while it fails to reproduce the level of cooperation observed in the numerical simulations for arbitrary initial configurations. <\/jats:p>","DOI":"10.1142\/s0218127410026137","type":"journal-article","created":{"date-parts":[[2010,4,1]],"date-time":"2010-04-01T08:50:35Z","timestamp":1270111835000},"page":"849-857","source":"Crossref","is-referenced-by-count":18,"title":["COOPERATION IN THE PRISONER'S DILEMMA GAME IN RANDOM SCALE-FREE GRAPHS"],"prefix":"10.1142","volume":"20","author":[{"given":"JULIA","family":"PONCELA","sequence":"first","affiliation":[{"name":"Institute for Biocomputation and Physics of Complex Systems (BIFI), University of Zaragoza, Zaragoza E-50009, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JES\u00daS","family":"G\u00d3MEZ-GARDE\u00d1ES","sequence":"additional","affiliation":[{"name":"Institute for Biocomputation and Physics of Complex Systems (BIFI), University of Zaragoza, Zaragoza E-50009, Spain"},{"name":"Departament d'Enginyeria Inform\u00e1tica i Matem\u00e1tiques, University Rovira i Virgili, Tarragona E-43007, Spain"},{"name":"Scuola Superiore di Catania, University of Catania, Catania I-95123, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"YAMIR","family":"MORENO","sequence":"additional","affiliation":[{"name":"Institute for Biocomputation and Physics of Complex Systems (BIFI), University of Zaragoza, Zaragoza E-50009, Spain"},{"name":"Department of Theoretical Physics, University of Zaragoza, Zaragoza E-50009, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"LUIS MARIO","family":"FLOR\u00cdA","sequence":"additional","affiliation":[{"name":"Institute for Biocomputation and Physics of Complex Systems (BIFI), University of Zaragoza, Zaragoza E-50009, Spain"},{"name":"Department of Condensed Matter Physics, University of Zaragoza, Zaragoza E-50009, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2012,5,2]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevE.78.017101"},{"key":"rf2","doi-asserted-by":"crossref","first-page":"509","DOI":"10.1126\/science.286.5439.509","volume":"286","author":"Barab\u00e1si A. 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