Evolutionary snowdrift game on heterogeneous Newman--Watts small-world network |
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Authors: | Yang Han-Xin Gao Kun Han Xiao-Pu and Wang Bing-Hong |
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Institution: | Department of Modern Physics and Nonlinear Science Center,
University of Science\\ and Technology of China, Hefei 230026,
China |
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Abstract: | We study the evolutionary snowdrift game in a heterogeneous
Newman--Watts small-world network. The heterogeneity of the network
is controlled by the number of hubs. It is found that the moderate
heterogeneity of the network can promote the cooperation best.
Besides, we study how the hubs affect the evolution of cooperative
behaviours of the heterogeneous Newman--Watts small-world network.
Simulation results show that both the initial states of hubs and the
connections between hubs can play an important role. Our work gives
a further insight into the effect of hubs on the heterogeneous
networks. |
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Keywords: | complex networks snowdrift
game cooperation heterogeneous Newman--Watts small-world
network |
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