Monday, November 28, 2022 — 2:30 PM EST

Catherine Pfaff, Queen's University

"Deformation Spaces, R-Trees, & What Happens When You Iterate a Free Group Automorphism"

Tuesday, November 29, 2022 — 10:00 AM EST

James Houle, Department of Pure Mathematics, University of Waterloo

"Brun's Sieve and it's applications to the Twin Prime Conjecture"

For hundreds, if not thousands of years, people have been trying to work out whether or not the Twin Prime Conjecture is true. However, it wasn't until the early 1900s when Viggo Brun introduced his sieve that real progress towards the conjecture was made. This talk will introduce Brun's Sieve and use it to show some of the earliest steps that were made towards proving the Twin Prime Conjecture.

Tuesday, November 29, 2022 — 12:30 PM EST

Dongshu Dai, Department of Pure Mathematics, University of Waterloo

"Tropical Curves and Where to Find Them"

Tuesday, November 29, 2022 — 2:00 PM EST

Michael Albanese, Department of Pure Mathematics, University of Waterloo

"Almost Complex Four-Manifolds with no Complex Structure"

Thursday, December 1, 2022 — 10:30 AM EST

Xinyue (Cynthia) Xie & Layth Al-Hellawi, Department of Pure Mathematics, University of Waterloo 

"Effectiveness properties of the Walker's Cancellation Theorem - Part IV"

Thursday, December 1, 2022 — 1:00 PM EST

Sean Monahan, Department of Pure Mathematics, University of Waterloo

Local structure results and toroidal horospherical varieties

I plan to talk about some local structure results for horospherical varieties, and look at the special case of so-called “toroidal” horospherical varieties. As of right now, this should be the last talk of the semester; we plan to continue next term (possibly at a new time/location).

This seminar will be held jointly online and in person:

Thursday, December 1, 2022 — 2:30 PM EST

Eric Riedl, University of Notre Dame

"Plane curves, log tangent sheaves and the Geometric Lang-Vojta Conjecture"

Thursday, December 8, 2022 — 2:30 PM EST

Adrian Zahariuc, University of Windsor

"Configurations of points modulo translation"

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