# Welcome to the Princeton University Mathematics Department!

## Seminars & Events

### Thursday, April 17

2:00pm3:30pm

##### Effective Ratner Theorem for ASL(2,R) and gaps in n^(1/2) modulo 1

###### Ergodic Theory & Statistical Mechanics

Speaker: Ilya Vinogradov , University of Bristol

Location: Fine Hall 601

3:00pm4:00pm

##### Slices of co-operations for KGL

###### Algebraic Topology Seminar

Speaker: Chuck Weibel, IAS

Location: Fine Hall 214

4:30pm5:30pm

##### Non-simple genus minimizers in lens spaces

###### Topology Seminar

Speaker: Josh Greene, Boston College

Location: Fine Hall 314

4:30pm5:30pm

##### Epipelagic representations and rigid local systems

###### Princeton University/IAS Number Theory Seminar

Speaker: Zhiwei Yun , Stanford University

Location: Fine Hall 214

4:30pm5:30pm

##### Unique Ergodicity and Mixing for the Degenerately forced Boussinesq Equations and related systems

###### Analysis of Fluids and Related Topics

Speaker: Nathan Glatt-Holtz , Virginia Tech

Location: Fine Hall 322

### Friday, April 18

3:00pm4:00pm

##### Berger decomposition, Weitzenbock formula and canonical metrics on four-manifolds

###### Differential Geometry & Geometric Analysis Seminar

Speaker: Peng Wu , Cornell University

Location: Fine Hall 314

4:15pm5:15pm

##### Bounds on the Bondi mass in perturbations of the Schwarzschild exteriors

###### Differential Geometry & Geometric Analysis Seminar

Speaker: Spyros Alexakis, University of Toronto

Location: Fine Hall 314

4:30pm5:30pm

##### TBA - Okounkov

###### Minerva Distinguished Visitor Lectures

Speaker: Andrei Okounkov, Columbia University

Location: Fine Hall 214

### Monday, April 21

3:15pm4:15pm

##### Recent progress on the Landis conjecture

###### Analysis Seminar

Speaker: Jeen-Nan Wang , National Taiwan University

Location: Fine Hall 314

3:30pm4:30pm

##### A transition formula for mean values of Dirichlet polynomials

###### Princeton University/IAS Number Theory Seminar

Speaker: Tom Zhang , IAS and University of New Hampshire

Location: IAS Room S-101