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The intermediary players affect the altruism behavior on the bipartite network
EPL ( IF 1.8 ) Pub Date : 2021-05-20 , DOI: 10.1209/0295-5075/134/18004
Linghui Guo , Zhongxin Liu , Zengqiang Chen

A myriad of participants in the market without direct interactions could act in a coordinated way thanks to the extremely hierarchical and diversified social structures developed spontaneously based on the economic mechanism. This paper investigates the function of the intermediary nodes on the network that may affect the altruistic behavior of the neighbours in the evolutionary games. To achieve this, a pairwise game is proposed on the bipartite graph inspired by the public goods game, where two layers of nodes are defined: the player nodes as the game participants, and the group nodes as the intermediary hubs. Specifically, a tolerance parameter is introduced to modify the behavior of the group nodes, which theoretically raises the surviving threshold of cooperators if sufficiently large. However, a double-edged effect is observed in the experiments where large values of the parameter are applied, which on the one hand helps the cooperators to survive, while it prevents the total elimination of exploiters, indicating the complex relevance between the roles of the intermediary nodes and the system behavior.



中文翻译:

中介参与者影响双向网络上的利他行为

由于基于经济机制自发形成的高度等级化和多样化的社会结构,市场上无数没有直接互动的参与者可以协调一致地行动。本文研究了网络上的中间节点在进化博弈中可能影响邻居的利他行为的功能。为此,受公共物品博弈启发,在二部图上提出了一种成对博弈,其中定义了两层节点:玩家节点作为游戏参与者,群体节点作为中间枢纽。具体来说,引入了一个容忍参数来修改组节点的行为,如果足够大,理论上会提高合作者的生存阈值。然而,

更新日期:2021-05-20
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