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physics.soc-ph2026
Emergent contagion complexity: Disentangling mechanistic complexity from correlated heterogeneity
Katerina Tang, Daniel Kaiser, William Thompson +3
Simple and complex contagions differ mechanistically; multiple exposures act synergistically in the latter but independently in the former. Yet correlated mixtures of simple contag…
physics.soc-ph2026
Simpson's paradox explains the ubiquity of nonlinear, threshold, and complex contagions
Laurent Hébert-Dufresne, Antoine Allard, Jean-Gabriel Young +2
Complex contagions describe systems where the probability or rate of contagious transmission is a nonlinear function of the exposure to contagious agents. These models were first s…