July 2019

Wednesday, July 3, 2019 — 10:00 to 10:00 AM EDT

Anton Mosunov, Department of Pure Mathematics, University of Waterloo

"Generalizations of the Gap Principle and the Thue-Siegel Principle, With Applications to Diophantine Equations"

Thursday, July 4, 2019 — 10:00 to 10:00 AM EDT

Luke MacLean, Department of Pure Mathematics, University of Waterloo

"Different extensions of first-order logic (part 2)"

Having given definitions and examples of two different extensions of first-order logic, I will proceed to sketch a proof that a computably axiomatizable theory is finitely axiomatizable using additional predicates. Knowledge of the first part is not necessary.

MC 5479

Thursday, July 4, 2019 — 4:00 PM EDT

Ian Charlesworth, University of California, Berkeley

"Free Stein Irregularity"

Friday, July 12, 2019 — 2:30 PM EDT

Jacob Campbell, Department of Pure Mathematics, University of Waterloo

This is the first meeting of a learning seminar which will run for most of July and August. The proposed day/time for the seminar is on Fridays, 2:30 to 3:30 pm.

In the first few meetings of the seminar we will look at the representation theory of the finite symmetric groups S_n, following the approach of Okounkov and Vershik, which emphasizes the branching rule and the use of Jucys-Murphy elements (all these terms are to be explained as the seminar goes on).

Monday, July 22, 2019 — 1:00 PM EDT

Brett Nasserden, Department of Pure Mathematics, University of Waterloo

"The valuative tree in action"

Tuesday, July 23, 2019 — 2:30 PM EDT

Ali Aleyasin, Department of Pure Mathematics, University of Waterloo

"Riemannian cones in disguise: singular elliptic PDEs"

Wednesday, July 24, 2019 — 4:30 PM EDT
Soffia Arnadottir, C&O Department, University of Waterloo   "Graphs in algebra and algebra in graphs"  

P

Friday, July 26, 2019 — 1:30 PM EDT

Hongdi Huang, Department of Pure Mathematics, University of Waterloo

"The Zariski Cancellation Problem"

Monday, July 29, 2019 — 1:30 PM EDT

Pawel Sarkowicz, Department of Pure Mathematics, University of Waterloo

“Separable Exact C*-Algebras”

Monday, July 29, 2019 — 4:00 PM EDT

Martin Hils, Universitat Munster

“Equivariant definable deformation retractions in non-archimedean geometry” (joint work with Ehud Hrushovski and Pierre Simon)”

Tuesday, July 30, 2019 — 9:00 AM EDT

Anton Iliashenko and Spiro Kargiannis, Department of Pure Mathematics University of Waterloo

“First and Second variation of the Volume functional”

Abstract

In this talk we will derive the first and second variational formulas for the volume functional of a submanifold.

“Vector cross products and calibrations: some non-standard inner product space theory”

Tuesday, July 30, 2019 — 1:00 PM EDT
 

Matthew Satriano, Department of Pure Mathematics, University of Waterloo

“The valuative tree in action”

A sketch of Xie’s proof of Medvedev-Scanlon for Affine 2-space

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