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Irrelevance of information outflow in opinion dynamics models
Claudio Castellano, Romualdo Pastor-Satorras
The Sznajd model for opinion dynamics has attracted a large interest as a simple realization of the psychological principle of social validation. As its most salient feature, it ha…
Voter models on weighted networks
Andrea Baronchelli, Claudio Castellano, Romualdo Pastor-Satorras
We study the dynamics of the voter and Moran processes running on top of complex network substrates where each edge has a weight depending on the degree of the nodes it connects. F…
Thresholds for epidemic spreading in networks
Claudio Castellano, Romualdo Pastor-Satorras
We study the threshold of epidemic models in quenched networks with degree distribution given by a power-law. For the susceptible-infected-susceptible (SIS) model the activity thre…