# Mathematics Department

###### Applied Math And Analysis Seminar

##### Li Wang (University of Minnesota)

**Monday, August 20 - 9:30 am**

**Physics 047**

In this talk, I will introduce a variational method for nonlinear equations with a gradient flow structure, which arise widely in applications such as porous median flows, material science, animal...

###### Applied Math And Analysis Seminar

##### Yulong Lu (Duke University)

**Monday, August 20 - 11:00 am**

**Physics 047**

The Stein variational gradient descent (SVGD) was proposed by Liu and Wang as a deterministic algorithm for sampling from a given probability density with unknown normalization. The key idea is to...

###### Applied Math And Analysis Seminar

##### Kathy Craig (University of California, Santa Barbara)

**Monday, August 20 - 2:00 pm**

**Physics 047**

Nonlocal interactions arise throughout the natural world, from collective dynamics in biological swarms to vortex motion in superconductors. Over the past fifteen years, there has been significant...

###### Applied Math And Analysis Seminar

##### Jeremy Marzuola (University of North Carolina Chapel Hill)

**Monday, August 20 - 3:30 pm**

**Physics 047**

Well discuss derivations, dynamics, numerical approximations, recent analytical advances and open questions for a family of 4th order nonlinear PDEs that arise when modeling the fluctuations of a...

###### Probability Seminar

##### Aki Nishimura

**Thursday, August 23 - 3:15 pm**

**235 Physics**

In a modern observational study based on healthcare databases, the number of observations is typically in the order of 10^5 ~ 10^6 and that of the predictors in the order of 10^4 ~ 10^5. Despite the...

###### Geometry/topology Seminar

##### Faramarz Vafaee (Duke University, Mathematics)

**Monday, September 3 - 3:15 pm**

**119 Physics**

The past thirty years have witnessed the birth of a beautiful array of approaches to the field of low dimensional topology, drawing on diverse tools from algebra, analysis, and combinatorics. One...

###### Applied Math And Analysis Seminar

##### Mengdi Wang (Princeton University)

**Wednesday, September 5 - 12:00 pm**

**Physics 119**

We survey recent advances on the complexity and methods for solving Markov decision problems (MDP) and Reinforcement Learning (RL) with finitely many states and actions - a basic mathematical model...

###### Applied Math And Analysis Seminar

##### Kui Ren (Columbia University)

**Tuesday, September 11 - 3:15 pm**

**Physics 119**

###### Applied Math And Analysis Seminar

##### Andrej Zlatos (University of California-San Diego)

**Wednesday, September 12 - 12:00 pm**

**Physics 119**