Current & Upcoming Colloquia
Monthly Colloquium

Apoorva Khare
28 September 2020, 15:30 to 17:00
Online
I will discuss the connections of matrix positivity and its preservers to multiple sub-fields of mathematics: analysis, metric geometry, combinatorics, and also downstream applications. This includes classical results by Schur, Rudin, Loewner, Karlin, and their students: FitzGerald, Horn, Pinkus,...more
Monthly Colloquium

Steven H. Simon
26 October 2020, 15:30 to 17:00
Online
In two dimensional topologically ordered matter, processes depend on gross topology rather than detailed geometry. Thinking in 2+1 dimensions, particle world lines can be interpreted as knots or links, and the amplitude for certain processes becomes a topological invariant of that link. While...more