Absence of influential spreaders in rumor dynamics

Details Absence of influential spreaders in rumor dynamics Absence of influential spreaders in rumor dynamics

2011-12-10

arxiv.org/abs/1112.2239v1

Physics

Physics and Society

6 pages, 3 figures

Scientific paper

Recent research [1] has suggested that coreness, and not degree, constitutes a better topological descriptor to identifying influential spreaders in complex networks. This hypothesis has been verified in the context of disease spreading. Here, we instead focus on rumor spreading models, which are more suited for social contagion and information propagation. To this end, we perform extensive computer simulations on top of several real-world networks and find opposite results. Namely, we show that the spreading capabilities of the nodes do not depend on their $k$-core index, which instead determines whether or not a given node prevents the diffusion of a rumor to a system-wide scale. Our findings are relevant both for sociological studies of contagious dynamics and for the design of efficient commercial viral processes.

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