Nonlinear Sciences – Adaptation and Self-Organizing Systems
Scientific paper
2004-04-12
Nonlinear Sciences
Adaptation and Self-Organizing Systems
6 pages, 5 figures, submitted to Phys. Rev. E
Scientific paper
10.1016/j.physa.2004.11.064
We study the mutual influence of authority and persuasion in the flow of opinion. Many social organizations are characterized by a hierarchical structure where the propagation of opinion is asymmetric. In the normal flow of opinion formation a high-rank agent uses its authority (or its persuasion when necessary) to impose its opinion on others. However, agents with no authority may only use the force of its persuasion to propagate their opinions. In this contribution we describe a simple model with no social mobility, where each agent belongs to a class in the hierarchy and has also a persuasion capability. The model is studied numerically for a three levels case, and analytically within a mean field approximation, with a very good agreement between the two approaches. The stratum where the dominant opinion arises from is strongly dependent on the percentage of agents in each hierarchy level, and we obtain a phase diagram identifying the relative frequency of prevailing opinions. We also find that the time evolution of the conflicting opinions polarizes after a short transient.
Abramson Guillermo
Goncalves Sebastian
Iglesias J. R.
Laguna María Fabiana
Risau-Gusman Sebastian
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