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Identification of patterns linking human mobility and COVID-19 dynamics

OTThe 18th century French mathematician Gaspard Monge, also considered the father of differential geometry, proposed Optimal Transport (OT) theory to determine the minimum effort to move or morph one distribution (say, a sand pile) into another (a fort for Napoleon's army!). By using OT to measure the minimum cost of translating a city's distribution of human mobility measures during the pandemic into that of its COVID-19 incidence, temporal patterns of such dependency across more than 150 U.S. cities were analyzed. The overall pattern in each of the identified clusters was summarized in the form of Wasserstein barycenters. The study was conducted by Saumyadipta Pyne with Frank Nielsen of École Polytechnique, Gautier Marti and Sumanta Ray. Image courtesy: Wikipedia.

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