Heterogeneous donation game in geographical small-world networks

被引：10
|
作者：
Yang, Han-Xin [1 ]
Sun, Lei [2 ]
机构：
[1] Fuzhou Univ, Dept Phys, Fuzhou 350108, Peoples R China
[2] Fuzhou Univ, Zhicheng Coll, Fuzhou 350002, Peoples R China
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2020年 / 540卷 / 540期
基金：
美国国家科学基金会;
关键词：
Donation game; Small-world networks; Cooperation; COOPERATION; EVOLUTION;
D O I：
10.1016/j.physa.2019.123255
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we study a heterogeneous donation game in geographical small-world networks. Cooperators provide benefits to their neighbors at some costs. Defectors pay no cost and do not distribute any benefits. The total contribution of a cooperator is fixed and he/she distributes his/her contribution unevenly to his/her neighbors. The amount that a cooperator contributes to a neighbor depends on their geographical distance. Our results show that, the cooperation level reaches the highest when cooperators give distant neighbors more help, but only to a certain extent. We analyze the time evolution of cooperator clusters and the length of cooperative links. Besides, we study the effects of the density of shortcuts on cooperation. (C) 2019 Elsevier B.V. All rights reserved.
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收藏
页数：7
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