Events by date

Wednesday, June 22, 2022

Wednesday, June 22, 2022 — 9:30 AM EDT

Talk #1 (9:30am - 10:45am): Amanda Petcu, Department of Pure Mathematics, University of Waterloo

"Isometric Immersions, part 1"

This series of talks will cover Chapter 6 of Manfredo Do Carmo's book 'Riemannian Geometry'. In this specific talk we will introduce the notion of an isometric immersion and the second fundamental form. We will see some examples as well as some properties of isometric immersions and the creation of the second fundamental form for a Riemannian manifold. 

Wednesday, June 22, 2022 — 2:30 PM EDT

Benjamin Anderson-Sackaney, Department of Pure Mathematics, University of Waterloo

"Multipliers on Fourier Algebras"

We will give a brief introduction to multipliers on the Fourier algebra of a locally compact group. Then we will discuss weak amenability, which is a weakening of amenability from the perspective of Leptin's theorem. It was shown by Haagerup that, though free groups are non-amenable, they are weakly amenable. The finale will proceed by outlining a proof of this theorem.

MC 5403

Wednesday, June 22, 2022 — 4:00 PM EDT

Sabrina Lato, Department of Combinatorics & Optimization, University of Waterloo

"Perron, Frobenius, and some unexpected applications"

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