# Events by date

## Tuesday, January 24, 2023

### Student Number Theory Seminar

Tuesday, January 24, 2023 — 10:00 to 10:00 AM EST

Owen Sharpe, Department of Pure Mathematics, University of Waterloo

"Diophantine Techniques in Bourgain's Discrete Restriction Conjecture"

We continue the last talk about Bourgain's discrete restriction conjecture, and explain the Diophantine techniques used in the recent progress on the conjecture by Hughes and Wooley.

This seminar will be held both online and in person:

### Differential Geometry Working Seminar

Tuesday, January 24, 2023 — 2:30 PM EST

Hanming Liu, Department of Pure Mathematics, University of Waterloo

"Heegaard Floer Homology"

This will be an introduction to Heegaard Floer homology. We will aim to present its definition and state some topological applications.

MC 5403

### Logic Seminar

Tuesday, January 24, 2023 — 2:30 PM EST

Gianluca Basso, Université Lyon 1

"Kaleidoscopic groups and the generic point property"

### Number Theory Seminar

Tuesday, January 24, 2023 — 3:30 PM EST

Debanjana Kundu, University of Toronto

"Heuristics for  anti-cyclotomic $\mathbb{Z}_p$-extensions"

For an imaginary quadratic field, there are two natural $\mathbb{Z}_p$-extensions, the cyclotomic and the anticyclotomic. We'll start with a brief description of Iwasawa theory for the cyclotomic extensions, and then describe some computations for anticyclotomic  $\mathbb{Z}_p$ extensions, especially the fields and their class numbers. This is joint work with LC Washington.

This seminar will be held both online and in person

### January 2023

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