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论文类型：期刊论文

发表时间：2008-04-01

发表刊物：INTERNATIONAL JOURNAL OF MODERN PHYSICS C

收录刊物：SCIE

卷号：19

期号：4

页面范围：549-555

ISSN号：0129-1831

关键字：Sznajd model; team work; Monte Carlo method; noise

摘要：In 2000, Sznajd-weron and Sznajd introduced a model for the simulation of a closed democratic community with a two-party system, and it is found that a closed community has to evolve either to a dictatorship or a stalemate state. In this paper, we continued to study on this model. All the neighboring individuals holding the same opinion is defined as a team, which will influence its nearest neighbor's decision and realize the opinion evolution. After some time-steps, a steady state appeared and the stalemate state in original model is eliminated. Moreover, the demand of time-steps has decreased dramatically. In addition, we also analyzed the effect of the various dispersal degree of the initial opinion on the opinion converging at the probability of one steady state. Finally we analyzed the effect of noise on convergence and found that the ability of anti-noise was increased about 1000 times compared with Sznajd model.