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Physics > Physics and Society

arXiv:2002.06926 (physics)
[Submitted on 17 Feb 2020]

Title:Virus spread and voter model on random graphs with multiple type nodes

Authors:Ágnes Backhausz, Edit Bognár
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Abstract:When modelling epidemics or spread of information on online social networks, it is crucial to include not just the density of the connections through which infections can be transmitted, but also the variability of susceptibility. Different people have different chance to be infected by a disease (due to age or general health conditions), or, in case of opinions, ones are easier to be convinced by others, or stronger at sharing their opinions. The goal of this work is to examine the effect of multiple types of nodes on various random graphs such as Erdős--Rényi random graphs, preferential attachment random graphs and geometric random graphs. We used two models for the dynamics: SEIR model with vaccination and a version of voter model for exchanging opinions. In the first case, among others, various vaccination strategies are compared to each other, while in the second case we studied sevaral initial configurations to find the key positions where the most effective nodes should be placed to disseminate opinions.
Comments: 27 pages
Subjects: Physics and Society (physics.soc-ph); Populations and Evolution (q-bio.PE)
MSC classes: 92D30
Cite as: arXiv:2002.06926 [physics.soc-ph]
  (or arXiv:2002.06926v1 [physics.soc-ph] for this version)
  https://doi.org/10.48550/arXiv.2002.06926

Submission history

From: Ágnes Backhausz [view email]
[v1] Mon, 17 Feb 2020 12:53:04 UTC (718 KB)
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