dorsal/arxiv
View SchemaPrisoner's Dilemma on community networks
| Authors | Xiaojie Chen, Feng Fu, Long Wang |
|---|---|
| Categories | |
| ArXiv ID | physics/0609239 |
| URL | https://arxiv.org/abs/physics/0609239 |
| DOI | 10.1016/j.physa.2006.12.024 |
| Journal | Physica A (2007), doi:10.1016/j.physa.2006.12.024 |
Abstract
We introduce a community network model which exhibits scale-free property and study the evolutionary Prisoner's Dilemma game (PDG) on this network model. It is found that the frequency of cooperators decreases with the increment of the average degree $\bar{k}$ from the simulation results. And reducing inter-community links can promote cooperation when we keep the total links (including inner-community and inter-community links) unchanged. It is also shown that the heterogeneity of networks does not always enhance cooperation and the pattern of links among all the vertices under a given degree-distribution plays a crucial role in the dominance of cooperation in the network model.
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"date_created": "2026-03-02T18:01:13.593000Z",
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"abstract": "We introduce a community network model which exhibits scale-free property and\nstudy the evolutionary Prisoner\u0027s Dilemma game (PDG) on this network model. It\nis found that the frequency of cooperators decreases with the increment of the\naverage degree $\\bar{k}$ from the simulation results. And reducing\ninter-community links can promote cooperation when we keep the total links\n(including inner-community and inter-community links) unchanged. It is also\nshown that the heterogeneity of networks does not always enhance cooperation\nand the pattern of links among all the vertices under a given\ndegree-distribution plays a crucial role in the dominance of cooperation in the\nnetwork model.",
"arxiv_id": "physics/0609239",
"authors": [
"Xiaojie Chen",
"Feng Fu",
"Long Wang"
],
"categories": [
"physics.soc-ph"
],
"doi": "10.1016/j.physa.2006.12.024",
"journal_ref": "Physica A (2007), doi:10.1016/j.physa.2006.12.024",
"title": "Prisoner\u0027s Dilemma on community networks",
"url": "https://arxiv.org/abs/physics/0609239"
},
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