| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Promotion of Cooperation in a Spatial Public Goods Game with Long Range Learning and Mobility |
| XIAO Yao, HUA Da-Yin** |
Department of Physics, Ningbo University, Ningbo 315211
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| Cite this article: |
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XIAO Yao, HUA Da-Yin 2012 Chin. Phys. Lett. 29 118901 |
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Abstract We studied the effect of population density in a spatial public goods game. We found that the effect on the evolution of cooperation is very complex when the strategy learning and mobility of players in a long range are considered in a two-dimensional lattice. As the learning range is larger than the mobility range, the system is driven to enter into a cooperation state for a low population density, because a small local group is beneficial to sustain a high level of cooperation. As population density increases to a moderate range, the mobility of players from a domain invaded by defectors supports the evolution stability of cooperation. When the mobility range is larger than the learning range, a formation of compact domains of cooperators promotes cooperation as the population density becomes high.
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Received: 30 December 2011
Published: 28 November 2012
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| PACS: |
89.75.Hc
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(Networks and genealogical trees)
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87.23.Kg
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(Dynamics of evolution)
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05.70.Ln
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(Nonequilibrium and irreversible thermodynamics)
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02.50.Le
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(Decision theory and game theory)
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