# Events for April 2017

### Wednesday, April 5th, 2017

- 11:30 AM
**Algebra/Number Theory Seminar**

The distribution of positive and negative values of Hardy’s Z -function

Steve Gonek, University of RochesterHylan 1106A - 5:00 PM
**G. Milton Wing Lecture**

The dynamics of ocean waves (Public Lecture)

Catherine Sulem, F.R.S.C., University of TorontoDewey 1-101

### Thursday, April 6th, 2017

- 3:30 PM
**G. Milton Wing Lecture**

Nonlinear Waves: solitons and self-focusing

Catherine Sulem, F.R.S.C., University of TorontoHutchison 148 (Lander Aud.) - 5:00 PM
**Graduate Student Seminar**

Stochastic Integrals and Some Applications

Kevin Lin, University of RochesterHylan 1106A

### Friday, April 7th, 2017

- 1:30 PM
**G. Milton Wing Lecture**

Surface water waves over a varying bottom

Prof. Catherine Sulem, F.R.S.C., University of TorontoHylan 1106A - 2:45 PM
**Probability Seminar**

Persuading the Principal to Wait

Dmitry Orlov, University of RochesterHylan 1106A

### Tuesday, April 11th, 2017

- 12:00 PM
**Geometry Seminar**

Fukaya categories of plumbings and multiplicative preprojective algebras

Tolga Etgu, Koc UniversityHylan 1106A - 1:00 PM
**Thesis Defense**

On the zeros of Riemann’s zeta-function

Sieg Baluyot. Unversity of RochesterHylan 1106A - 3:00 PM
**Thesis Defense**

On zeros of the derivative of the Riemann zeta-function

Fan Ge, University of RochesterHylan 1106A

### Wednesday, April 12th, 2017

- 11:30 AM
**Algebra/Number Theory Seminar**

Mobius disjointness, joinings and interval exchange transformations.

Alex Eskin, University of ChicagoHylan 1106A

### Thursday, April 13th, 2017

- 12:00 PM
- 3:30 PM
**Colloquium**

Polygonal Billiards and Dynamics on Moduli Spaces.

Alex Eskin, University of ChicagoHylan 1106A

### Friday, April 14th, 2017

- 2:45 PM
**Probability Seminar**

Optimal Stopping Problems under Model Uncertainty

Song Yao, University of PittsburghHylan 1106A - 4:30 PM

### Tuesday, April 18th, 2017

- 12:30 PM

### Wednesday, April 19th, 2017

- 11:30 AM
**Algebra/Number Theory Seminar**

Brown’s Isomorphism and Decomposition Formula of MZVs

Ma Ding, Duke UniversityHylan 1106A

### Thursday, April 20th, 2017

- 12:00 PM
**Geometry Seminar**

Asymptotic structure of self-shrinkers of mean curvature flow

Lu Wang, WisconsinHylan 1106A - 3:30 PM
**Colloquium**

Ergodic Ramsey Theory: a Meeting Point of Dynamics, Combinatorics, and Number Theory.

Vitaly Bergelson, Ohio State UniversityHylan 1106A

### Friday, April 21st, 2017

- 1:00 PM
**Graduate Student Seminar**

Academic Job Application Panel

Siegfred Baluyot, Fan Ge, Doug Ravenel, and Tom TuckerHylan 201 - 2:00 PM
**Analysis Seminar**

Uniform distribution, generalized polynomials, translations on nil-manifolds and combinatorial number theory.

Vitaly Bergelson, Ohio State UniversityHylan 1106A - 4:00 PM

### Monday, April 24th, 2017

- 3:25 PM
**Oral Exam**

The Greatest Common Divisors for the Orbits under Polynomial Functions

Keping HuangHylan 1106A

### Wednesday, April 26th, 2017

- 11:30 AM

### Thursday, April 27th, 2017

- 12:00 PM
- 5:00 PM
**Graduate Student Seminar**

Galois Groups of Iterated Quadratic Rational Maps whose Critical Orbits Collide

George Grell, University of RochesterHylan 1106A

### Friday, April 28th, 2017

- 10:00 AM
**Thesis Defense**

On a finite field analog of the bilinear spherical averaging operator

Daniel Rubery (U of R)Hylan 305 - 11:00 AM
**Thesis Defense**

Analogoues of the Erdos integer distance principle in vector spaces over finite fields.

Benjamin Dees (U of R)Hylan 305 - 1:00 PM
- 2:45 PM