Consequence of reputation in the Sznajd consensus model

Details Consequence of reputation in the Sznajd consensus model Consequence of reputation in the Sznajd consensus model

2010-06-12

arxiv.org/abs/1006.2456v2

Phys. Lett. A 374, 3380 (2010)

Physics

Physics and Society

8 pages, 4 figures, To be published in Physics Letters A

Scientific paper

10.1016/j.physleta.2010.06.036

In this work we study a modified version of the Sznajd sociophysics model. In particular we introduce reputation, a mechanism that limits the capacity of persuasion of the agents. The reputation is introduced as a score which is time-dependent, and its introduction avoid dictatorship (all spins parallel) for a wide range of parameters. The relaxation time follows a log-normal-like distribution. In addition, we show that the usual phase transition also occurs, as in the standard model, and it depends on the initial concentration of individuals following an opinion, occurring at a initial density of up spins greater than $1/2$. The transition point is determined by means of a finite-size scaling analysis.

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