Physics – Physics and Society
Scientific paper
2005-05-03
Physics
Physics and Society
6 pages, 4 figures, Proceedings of Granada Workshop 2005
Scientific paper
10.1063/1.2008597
We review recent results on the dynamics of social networks which suggest that the interplay between the network formation process and volatility may lead to the occurrence of discontinuous phase transitions and phase coexistence in a large class of models. We then investigate the effects of negative links -- links inhibiting local growth of the network -- and of a geographical distribution of the agents in such models. We show, by extensive numerical simulations, that both effects enhance this phenomenology, i.e. it increases the size of the coexistence region.
Ehrhardt George C. M. A.
Marsili Matteo
Vega-Redondo Fernando
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