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Algebraic Geometry Seminar

Monday, February 27, 2017 - 11:30 AM EST

Yoav Len, University of Waterloo

In this talk I will give an introduction to tropical geometry, and explain some of the terms that are relevant for studying Hodge theory for matroids.

MC 5403
 

Geometric Analysis Working Seminar

Monday, February 27, 2017 - 2:30 PM EST

Anthony McCormick, Department of Pure Mathematics, University of Waterloo

“Graded Lie Brackets in Differential Geometry”

We will discuss the basic theory and applications of various graded Lie brackets which appear naturally in differential geometry; namely the Frolicher-Nijenhuis, Schouten-Nijenhuis and Nijenhuis-Richardson brackets.

M3-3103

Student Colloquium

Monday, February 27, 2017 - 3:00 PM EST

Zack Cramer, Department of Pure Math, University of Waterloo

"The Gershgorin Circle Theorem"

Pure Math Colloquium

Monday, February 27, 2017 - 4:00 PM EST

Trevor Wooley, University of Bristol

“A translation-invariant perspective on arithmetic (and) harmonic analysis”

Logic Seminar

Tuesday, February 28, 2017 - 11:00 AM EST

Ian Payne, Department of Pure Mathematics, University of Waterloo

“Subdirectly Irreducible Algebras in Varieties of 2-semilattices”

Algebra Seminar

Tuesday, February 28, 2017 - 2:30 PM EST

Adam Chapman, Tel-Hai Academic College, Israel

“Linked Fields of Characteristic 2 and their u-Invariant.”

Computability Learning Seminar

Tuesday, February 28, 2017 - 3:30 PM EST

Michael Deveau, Department of Pure Mathematics, University of Waterloo

“Enumeration Degree and Existential Atomicity”

We will investigate the notion of a Turing degree of a structure. However, since it is not as useful as we would hope, we instead use enumeration degrees, which prove more fruitful. We then establish some results concerning existential atomicity of a structure.

MC 5403

Geometric Analysis Working Seminar

Wednesday, March 1, 2017 - 3:00 PM EST

Shubham Dwivedi, Department of Pure Mathematics, University of Waterloo

“Second Variation Formula, Morse Index and Stability”

We will derive the Second variation formula for a minimal submanifold. After defining the Morse index and Stable Minimal Submanifolds, we will derive the Stability Inequality. As a result, we will prove a theorem due to Simons and another theorem due to Schoen and Yau.

Number Theory Seminar

Thursday, March 2, 2017 - 1:30 PM EST

Patrick Ingram, York University

“The critical height of a rational function”

Representation Theory Seminar

Thursday, March 2, 2017 - 1:30 PM EST

Brandon Doherty, Department of Pure Mathematics, University of Waterloo

“The Lie Algebra of an Algebraic Group”

We will introduce the Lie Algebra of a linear algebraic group and begin studying the adjoint representation.

MC 5413

Geometry & Topology Seminar

Friday, March 3, 2017 - 2:30 PM EST

David Duncan, McMaster University

“Identifying instantons with holomorphic curves”

A variant of the Atiyah-Floer conjecture states that the SO(3)-Donaldson invariants are iso- morphic to certain invariants coming out of symplectic geometry. I will discuss this conjecture in a few special cases that suggest an outline for proving the more general statement.

MC 5413

Analysis Seminar

Friday, March 3, 2017 - 3:30 PM EST

Elias Katsoulis, East Carolina University

“C*envelopes and the Hao-Ng isomorphism”

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