Document Detail

Opinion formation models on a gradient.
MedLine Citation:
PMID:  25474528     Owner:  NLM     Status:  In-Data-Review    
Statistical physicists have become interested in models of collective social behavior such as opinion formation, where individuals change their inherently preferred opinion if their friends disagree. Real preferences often depend on regional cultural differences, which we model here as a spatial gradient g in the initial opinion. The gradient does not only add reality to the model. It can also reveal that opinion clusters in two dimensions are typically in the standard (i.e., independent) percolation universality class, thus settling a recent controversy about a non-consensus model. However, using analytical and numerical tools, we also present a model where the width of the transition between opinions scales [Formula: see text], not [Formula: see text] as in independent percolation, and the cluster size distribution is consistent with first-order percolation.
Michael T Gastner; Nikolitsa Markou; Gunnar Pruessner; Moez Draief
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Publication Detail:
Type:  Journal Article     Date:  2014-12-04
Journal Detail:
Title:  PloS one     Volume:  9     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2014  
Date Detail:
Created Date:  2014-12-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e114088     Citation Subset:  IM    
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