Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2002-12-13
Physica D 183, 190 (2003)
Physics
Condensed Matter
Statistical Mechanics
10 pages, 7 figures
Scientific paper
10.1016/S0167-2789(03)00171-4
We study an opinion dynamics model in which agents reach compromise via pairwise interactions. When the opinions of two agents are sufficiently close, they both acquire the average of their initial opinions; otherwise, they do not interact. Generically, the system reaches a steady state with a finite number of isolated, noninteracting opinion clusters (``parties''). As the initial opinion range increases, the number of such parties undergoes a periodic sequence of bifurcations. Both major and minor parties emerge, and these are organized in alternating pattern. This behavior is illuminated by considering discrete opinion states.
Ben-Naim Eli
Krapivsky Paul. L.
Redner Sid
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