Events by month

February 2019

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o-minimal GAGA Seminar

Tuesday, February 5, 2019 — 10:30 to 10:30 AM EST

Remi Jaoui, Department of Pure Mathematics, University of Waterloo

"Coherence"

We discuss sections 2.2 and 2.3 of the Bakker-Brunebarbe-Tsimerman paper.

MC 5479

Number Theory Seminar

Tuesday, February 5, 2019 — 12:30 to 12:30 PM EST

Richard Gottesman, Queen's University

"Vector-Valued Modular Forms on $\Gamma_0(2)$"

Computability Learning Seminar

Wednesday, February 6, 2019 — 3:30 PM EST

Mohammad Mahmoud, Department of Pure Mathematics, University of Waterloo

"The Isomorphism Problem for Pregeometries"

We continue our proof for showing that the isomorphism problem for rice pregeometries with Condition B  is $\Pi^0_3$-hard.

MC 5413

Universal Algebra Seminar

Thursday, February 7, 2019 — 3:00 PM EST

Ross Willard, Department of Pure Mathematics, University of Waterloo

"Dualizing structures that are necessarily of infinite signature, part 3: the gory details"

In this lecture I will finish Pitkethly’s proof that her schizophrenic pair is in fact a dualizing pair.  If time remains, I’ll sketch the proof that the term operations of the algebra are not determined by any finite-signature alter ego.

MC 5403

Analysis Seminar

Thursday, February 7, 2019 — 4:00 PM EST

[Talk rescheduled from February 6, 2019]

Sang-Gyun Youn, Queen's University

"Sobolev embedding properties on compact matrix quantum groups"

Model Theory Seminar

Thursday, February 7, 2019 — 4:00 PM EST

Abolfazl Alam, Shahid Beheshti University

"Model Companion for Bounded Theories and some Related Complexity Questions"

Pure Math Colloquium

Monday, February 11, 2019 — 4:00 PM EST

Alex Wright, University of Michigan

"Dynamics, geometry, and the moduli space of Riemann surfaces"

o-minimal GAGA Seminar

Tuesday, February 12, 2019 — 10:30 to 10:30 AM EST

Rahim Moosa, Department of Pure Mathematics, University of Waterloo

"Etale descent"

Following the Bakker-Brunebarbe-Tsimerman paper, we show that quotients by etale equivalence relations exist for definable analytic spaces.

MC 5479

Analysis Seminar

Wednesday, February 13, 2019 — 3:30 PM EST

Sanaz Pooya, Stockholm University

"On the Baum-Connes assembly map for certain semi-direct products"

Computability Learning Seminar

Wednesday, February 13, 2019 — 3:30 PM EST

**This seminar has been cancelled and is rescheduled for February 27, 2019**

Mohammad Mahmoud, Department of Pure Mathematics, University of Waterloo

"The Isomorphism Problem for Pregeometries"

We continue our proof for showing that the isomorphism problem for rice pregeometries with Condition B  is $\Pi^0_3$-hard.

MC 5413

PhD Student Research Seminar

Thursday, February 14, 2019 — 12:30 to 12:30 PM EST

Pat Naylor, Department of Pure Mathematics, University of Waterloo

"Diagrammatic Methods in Topology"

A recent tool for understanding 4-manifolds is something called a “trisection.” These have the interesting advantage of changing problems about 4-manifolds to problems of combinatorics on surfaces. This talk will be an (accessible) tourist’s guide to some background and similar ideas from low(er) dimensional topology: Heegaard splittings and diagrams. Time permitting, we’ll also introduce a trisection and discuss some recent developments.

Thursday, February 14, 2019 — 5:00 PM EST

**This talk was originally scheduled for February 12; it will now take place on February 14, 2019**

Nick Manor, Department of Pure Mathematics, University of Waterloo

"Do the Borromean rings exist?"

Geometry & Topology Seminar

Friday, February 15, 2019 — 2:30 PM EST

"Complex AJ conjecture"

o-minimal GAGA Seminar

Tuesday, February 26, 2019 — 10:30 to 10:30 AM EST

Rahim Moosa, Department of Pure Mathematics, University of Waterloo

"Etale descent"

Following the Bakker-Brunebarbe-Tsimerman paper, we show that quotients by etale equivalence relations exist for definable analytic spaces.

MC 5479

Number Theory Seminar

Tuesday, February 26, 2019 — 12:30 to 12:30 PM EST

Erick Knight University of Toronto

“The ζ3-Pell Equation” Abstract

Analysis Seminar

Wednesday, February 27, 2019 — 3:30 PM EST

Zack Cramer, University of Waterloo

“Matrix Algebras with a Certain Compression Property”

Model Theory Seminar

Thursday, February 28, 2019 — 4:00 PM EST

Levon Haykazyan, University of Waterloo

"Pseudo-finite sets and dimension, Part 8"

I'll talk about unimodularity. It was introduced by Hrushovski in early 90s as a generalisation of local finiteness. Unimodularity has recently reappeared in the pseudo-finite setting as a tool to develop intersection theory.

MC 5403.

February 2019

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