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Title Mean-field Dynamics of Inter-switching Memes Competing over Multiplex Social Networks
Journal Name IEEE Communications Letters
First Author Aresh Dadlani
Coauthor Muthukrishnan Senthil Kumar, Manikanta Gowtham Maddi, Kiseon Kim
Publication Date 2017.01.11 Link Link icon
Impact Factor (%) 1.291 Date 2017-02-28 17:43
This letter characterizes the intertwined behavior of a Susceptible-Infected-Susceptible (SIS) epidemic model involving multiple mutually-exclusive memes, each competing over distinct contact planes of an undirected multi-layer social network, with the possibility of inter-switching. Based on mean-field theory, we contrast and derive closed-form analytical expressions for the steady-state thresholds that govern the transitions between extinction, co-existence, and absolute dominance of the interswitchable memes. Moreover, a non-linear optimization formulation is presented to determine the optimal budget allocation for controlling the switching rates to a particular co-existing meme. Validated by simulations, the impact of switching on the tipping thresholds and their implications in reality are demonstrated using data extracted from online social networks.
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광주과학기술원 한·러 MT-IT 융합기술연구센터 광주과학기술원정보통신공학부