Social contagion in a world with asymmetric influence

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Social media has blurred the distinction between news outlets and social networks by giving everyone access to mass communication. We simulate how influencers compete for attention on a social network by spreading information. The network structure occupies an ordered metastable state where one influencer maintains dominance for a sustained period or a fragmented state that divides attention between influencers. Numerical simulations are performed to map the domain of the ordered regime on various network topologies. Mutual coexistence between a few dominating influencers occurs on a scale-free social network. Our findings suggest the perception of fake news as a pervasive problem is endemic to a society where everyone can become a news outlet.

Original languageEnglish
Article number022303
JournalPhysical Review E
Volume103
Issue number2
Number of pages5
ISSN2470-0045
DOIs
Publication statusPublished - 3 Feb 2021

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