Events and Activities

Coboundary expansion and cosystolic expansion are generalizations of edge expansion to hypergraphs. In this talk, we will first explain how the generalizations work. Next we will motivate the study of such hypergraphs by looking at their applications...

A recent line of work has shown a surprising connection between multicalibration, a multi-group fairness notion, and omniprediction, a learning paradigm that provides simultaneous loss minimization guarantees for a large family of loss functions [GKR...