Abraham Flaxman

The rings studied by students in most first-year algebra courses turn out to have what's known as the "Invariant Basis Number" property: for every pair of positive integers m and n, if the free left R-modules RRm and RRn are isomorphic, then m = n...

I will present some of the mathematics we have been using at the Institute for Health Metrics and Evaluation (IHME) in the UW School of Medicine to project the global course of the COVID outbreak and the demands it may put on local health systems...