paper

Percolation and the pandemic

arXiv:2101.00550 · doi:10.1016/j.physa.2020.125723

Abstract

This paper is dedicated to the memory of Dietrich Stauffer, who was a pioneer in percolation theory and applications of it to problems of society, such as epidemiology. An epidemic is a percolation process gone out of control, that is, going beyond the critical transition threshold . Here we discuss how the threshold is related to the basic infectivity of neighbors , for trees (Bethe lattice), trees with triangular cliques, and in non-planar lattice percolation with extended-range connectivity. It is shown how having a smaller range of contacts increases the critical value of above the value appropriate for a tree, an infinite-range system or a large completely connected graph.

For special edition of Physica A in memory of Dietrich Stauffer

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