Phase Transition Dynamics of Collective Decision in Scale-Free Networks
DUAN Wen-Qi1 , CHEN Zhong1 , LIU Zeng-Rong1,2
1 School of Management, Shanghai Jiao Tong University, Shanghai 200052
2 Department of Mathematics, Shanghai University, Shanghai 201800
Phase Transition Dynamics of Collective Decision in Scale-Free Networks
DUAN Wen-Qi1 ;CHEN Zhong1 ;LIU Zeng-Rong1,2
1 School of Management, Shanghai Jiao Tong University, Shanghai 200052
2 Department of Mathematics, Shanghai University, Shanghai 201800
关键词 ：
89.75.-k ,
87.23.Ge ,
05.70.Fh
Abstract ： A strategic collective decision model is introduced to investigate the role of decision transmission mechanism and interaction networks in determining the collective decision dynamics. Assuming that agents are located in a scale-free network and their decisions are interdependent of each other. In our model, it is found that the effective decision transmission rate λ exists a threshold λc =1, which marks the transition between the two regimes, i.e. the decision spreading and the decision disappearing in the population. Furthermore, λ is mainly determined by the decision transmission mechanism and interaction network's topology.
Key words ：
89.75.-k
87.23.Ge
05.70.Fh
出版日期: 2005-08-01
引用本文:
DUAN Wen-Qi;CHEN Zhong;LIU Zeng-Rong;. Phase Transition Dynamics of Collective Decision in Scale-Free Networks[J]. 中国物理快报, 2005, 22(8): 2137-2139.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I8/2137
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