## University COVID-19 update

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Please note: The University of Waterloo is closed for all events until further notice.

# Events - February 2016

Tuesday, February 9, 2016 — 2:30 PM EST

## Student Number Theory Seminar

Stanley Xiao, Department of Pure Mathematics, University of Waterloo

“Equidistribution to large moduli”

Tuesday, February 9, 2016 — 1:00 PM EST

## Geometric Analysis Working Seminar

Spiro Karigiannis, Department of Pure Mathematics, University of Waterloo

“Weyl curvature, conformal geometry, and uniformization: Part III”

Tuesday, February 9, 2016 — 10:30 AM EST

## Ring Theory Seminar

Christopher Schafhauser, Department of Pure Mathematics, University of Waterloo

“Morita Theory V: Morita Contexts, cont’d”

Friday, February 5, 2016 — 3:30 PM EST

## Analysis Seminar

Serban Belinschi, University of Toulouse, France

“A Julia-Caratheodory Theorem for noncommutative functions (and some applications)”

Friday, February 5, 2016 — 2:30 PM EST

## Geometry & Topology Seminar

Andreas Malmendier, Utah State University

“The special function identities from Kummer surfaces or the identity Ernst Kummer missed.”

Thursday, February 4, 2016 — 3:30 PM EST

## Logic Seminar

Alex Kruckman, University of California, Berkeley

“Properly Ergodic Structures”

Thursday, February 4, 2016 — 2:30 PM EST

## Universal Algebra Learning Seminar

Ian Payne, Pure Mathematics, University of Waterloo

"A result on constraint satisfaction problems: part 3"

In this talk, I will begin going through Bulatov's proof that a nonempty standard $(2,3)$-system with potatoes from a variety of $2$-semilattices has a solution. It should take two lectures to complete the proof.

Thursday, February 4, 2016 — 1:30 PM EST

## Number Theory Seminar

John J.C. Saunders, Department of Pure Mathematics, University of Waterloo

“Random Fibonacci Sequences”

Wednesday, February 3, 2016 — 3:30 PM EST

## Computability Learning Seminar

Jonathan Stephenson, Department of Pure Mathematics, University of Waterloo

“Bases for Randomness”

Wednesday, February 3, 2016 — 2:00 PM EST

## String Theory Seminar

Henry Li, Department of Pure Mathematics, University of Waterloo

“BRST Quantization”

Wednesday, February 3, 2016 — 1:00 PM EST

## Algebraic Geometry Working Seminar

Raymond Cheng, Pure Mathematics, University of Waterloo

"Hilbert Scheme of Points on Surfaces"

Finally, we are in place to discuss the Hilbert scheme of points in a surface. We will discuss some geometric properties of this Hilbert scheme. In particular, we will attempt to explain why the Hilbert scheme of points in the affine plane is smooth and irreducible scheme. We may also give a description of this Hilbert scheme in a way suggestive for future discussions.

Wednesday, February 3, 2016 — 11:00 AM EST

## Geometry Working Seminar

Raymond Cheng, Pure Mathematics, University of Waterloo

"Donuts and Pants, then Quasiconformal Maps"

Tuesday, February 2, 2016 — 3:30 PM EST

## Berkovich Spaces Seminar

Rahim Moosa, Pure Mathematics, University of Waterloo

"More on definable functors, and imaginaries"

Tuesday, February 2, 2016 — 2:30 PM EST

## Student Number Theory Seminar

Stanley Xiao, Department of Pure Mathematics, University of Waterloo

Tuesday, February 2, 2016 — 1:00 PM EST

## Geometric Analysis Working Seminar

Spiro Karigiannis, Department of Pure Mathematics, University of Waterloo

“Weyl curvature, conformal geometry, and uniformization: Part II”

Tuesday, February 2, 2016 — 10:30 AM EST

## Ring Theory Seminar

Hongdi Huang, Pure Mathematics, University of Waterloo

"Morita Theory IV: The Morita Context"

If $F:\mathrm{Mod}_R \rightarrow \mathrm{Mod}_S$ is a Morita equivalence, then it preserves progenerators, so $P_S:= F(R_R)$ is a progenerator in $\mathrm{Mod}_S$. We'll see that that $P_S$ has a left $R$-module structure and $F\simeq -\otimes _RP_S$, thus giving rise to a \textit{Morita context} between $R$ and $S$. Conversely, the existence of a Morita context implies that $R$ and $S$ are Morita equivalent.

Monday, February 1, 2016 — 4:00 PM EST

## Pure Math Colloquium

John Duncan, Emory University

“Recent Developments in Moonshine”

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