Cooperation in evolutionary snowdrift game: Networking effects

被引：4
|
作者：
Hui, P. M. [1 ,2 ]
Xu, Chen [3 ,4 ]
Zheng, Da-Fang [5 ,6 ]
机构：
[1] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Inst Theoret Phys, Shatin, Hong Kong, Peoples R China
[3] Suzhou Univ, Dept Phys, Suzhou 215006, Peoples R China
[4] Suzhou Univ, Jiangsu Key Lab Thin Films, Suzhou 215006, Peoples R China
[5] Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China
[6] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2007年 / 21卷 / 23-24期
关键词：
snowdrift game; network; cooperation;
D O I：
10.1142/S0217979207045165
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We study the effects of networking on the extent of cooperation emerging in an evolutionary snowdrift game, which is a possible alternative to the well-known Prisoner's Dilemma game. The model is studied in the Newman-Watts network that spans the regular, small-world, and random networks through randomly added links. For a wide range of payoffs, the added links are found to suppress cooperation, when compared with a well-mixed or fully connected system. We identify extinction payoffs that characterize the emergence of a homogeneous steady state and study how these payoffs depend on the extent of addition of links to the network.
引用
收藏
页码：4035 / 4040
页数：6
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