SZNAJD OPINION DYNAMICS WITH GLOBAL AND LOCAL NEIGHBORHOOD

Christian Schulze ()
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Christian Schulze: Institute for Theoretical Physics, Cologne University, D-50923 Köln, Euroland

International Journal of Modern Physics C (IJMPC), 2004, vol. 15, issue 06, 867-872

Abstract: In this modification of the Sznajd consensus model on the square lattice, two people of arbitrary distance who agree in their opinions convince their nearest neighbors of this opinion. Similarly to the mean field theory of Slanina and Lavicka, the times needed to reach consensus are distributed exponentially and are quite small. The width of the phase transition vanishes reciprocally to the linear lattice dimension. Advertising has effects independent of the system size. For more than two opinions, three opinions reach a consensus in roughly half of the samples, and four only rarely and only for small lattices. Up to109agents were simulated.

Keywords: Sociophysics; phase transition; Monte Carlo; infinite-range interactions (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1142/S0129183104006273

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