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Influential groups for seeding and sustaining hypergraph contagions

Several biological and social contagion phenomena, such as superspreading events or social reinforcement, are the results of multi-body interactions, for which hypergraphs offer a natural mathematical description. In this paper, we develop a novel …

Vanishing size of critical mass for tipping points in social convention

How can minorities of regular individuals overturn social conventions? Theoretical and empirical studies have proposed that when a committed minority reaches a critical group size--ranging from 10pc of the population up to 40pc--a cascade of …