# Welcome to the Princeton University Mathematics Department!

## Seminars & Events

### 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

##### Geometric R-matrices for Nakajima varieties, II

###### 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

4:30pm5:30pm

##### Curvature suppresses the Rayleigh-Taylor instability

###### PACM/Applied Mathematics Colloquium

Speaker: Naima Hammoud & Haoshu Tian - PACM Graduate Students, Princeton University

Location: Fine Hall 214

### Tuesday, April 22

4:30pm5:30pm

##### Birational geometry of moduli of stable rational curves

###### Algebraic Geometry Seminar

Speaker: Jenia Tevelev , University of Massachusetts

Location: Fine Hall 322

### Wednesday, April 23

4:30pm6:00pm

##### Modular forms for noncongruence subgroups: an overview

###### Department Colloquium

Speaker: Winnie Li , Penn State University

Location: Fine Hall 314

### Thursday, April 24

2:00pm3:30pm

##### TBA - Dong Li

###### Ergodic Theory & Statistical Mechanics

Speaker: Dong Li , University of British Columbia

Location: Fine Hall 601

3:00pm4:00pm

##### TBA - Bendersky

###### Algebraic Topology Seminar

Speaker: Martin Bendersky, City University of New York (CUNY)

Location: Fine Hall 214