Friday, January 24, 2020 — 2:30 PM EST

Xi Sisi Shen, Northwestern University

"Estimates for metrics of constant Chern scalar curvature"

We discuss the existence problem of constant Chern scalar curvature metrics on a compact complex manifold. We prove a priori estimates for these metrics conditional on an upper bound on the entropy, extending a recent result by Chen-Cheng in the K\"ahler setting.

MC 5403

Monday, January 27, 2020 — 11:30 AM EST

Brett Nasserden, Department of Pure Mathematics, University of Waterloo

"Introduction to Arakelov Theory"

I will introduce the basic concepts of Arakelov theory with a focus on arithmetic surfaces.

MC 5417

Tuesday, January 28, 2020 — 10:00 AM EST

Partrick Naylor, Department of Pure Mathematics, University of Waterloo

"The category of cobordisms"

In this talk, we’ll discuss how n-manifolds considered up to cobordism form a category, as well as some of the subtleties involved.

MC 5417

Tuesday, January 28, 2020 — 10:30 AM EST

Rahim Moosa, Department of Pure Mathematics, University of Waterloo

"NIP XI"

We continue section 3.4 of Simon's Guide to NIP theories.

M3 3103

Tuesday, January 28, 2020 — 11:00 AM EST

Ragini Singhal, Department of Pure Mathematics, University of Waterloo

"Deformation theory of nearly G_2 manifolds - 2"

In this talk we will prove some results about the cohomology of nearly G_2 manifolds which we will use to define the space of first order deformation of a nearly G_2 structure. We will then prove that it is an eigenspace of the Laplace operator. Time permitting we will also define the second  order deformations and their formulation. This talk is based on a joint work in progress with Shubham Dwivedi.

MC 5413

Friday, January 31, 2020 — 2:35 PM EST

Andrew Staal, Department of Pure Mathematics, University of Waterloo

"Ubiquity of Smooth Hilbert Schemes"

Friday, January 31, 2020 — 3:30 PM EST

Guy Salomon, Department of Pure Mathematics, University of Waterloo

"The mysterious connection between proximal actions and Poisson boundaries"

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