### Sam Hopkins

*Department of Mathematics*

Massachusetts Institute of Technology

Massachusetts Institute of Technology

**Root System Chip-Firing**

Friday, April 27, 2018, 10:00am

Ungar Room 406 (via Skype)

### James McKeown

*Department of Mathematics*

University of Miami

University of Miami

**On the Combinatorics of the Waldspurger Decomposition**

Wednesday, April 25, 2018, 6:00pm

Ungar Room 402

### Brittney Ellzey

*Department of Mathematics*

University of Miami

University of Miami

**On Chromatic Quasisymmetric Functions of Directed Graphs**

Tuesday, March 27, 2018, 5:00pm

Ungar Room 402

### Jorge E. Cardona

*Department of Mathematics*

University of Miami

University of Miami

**On Statistical Solutions of Evolution Equations**

Thursday, June 22, 2017, 11:00am

Ungar Room 411

### Christopher Langdon

*Department of Mathematics*

University of Miami

University of Miami

**Symmetric Twisted Differentials and the Quadric Algebra**

Monday, May 30, 2017, 4:30pm

Ungar Room 402

### Miriam Farber

*Department of Mathematics*

Massachusetts Institute of Technology

Massachusetts Institute of Technology

**Arrangement of Minors in the Positive Grassmannian**

Monday, April 24, 2017, 11:30am

Ungar Room 406

### Gaku Liu

*Department of Mathematics*

Massachusetts Institute of Technology

Massachusetts Institute of Technology

**The Topology of Baues Complexes and Flip Graphs**

Wednesday, April 19, 2017, 10:00am

Ungar Room 406

### Yishu Song

*Department of Mathematics*

University of Miami

University of Miami

**Hydrodynamic Limit of Bak-Sneppen Branching Diffusion**

Thursday, June 23, 2016, 3:00pm

Ungar Room 411

### Ziqian Ding

*Department of Mathematics*

University of Miami

University of Miami

**Dihedral Symmetries of Non-crossing Partition Lattices**

Tuesday, May 10, 2016, 10:00am

Ungar Room 402

### Efrat Engel Shaposhnik

*Department of Mathematics*

Massachusetts Institute of Technology

Massachusetts Institute of Technology

**Antichains of Interval Orders and Semiorders,**

and Dilworth Lattices of Maximum Size Antichains

and Dilworth Lattices of Maximum Size Antichains

Monday, April 11, 2016, 4:00pm

Ungar Room 402

### Armando Cabrera

*Department of Mathematics*

University of Miami

University of Miami

**On Geometric Problems Involving Schwarzschild Manifolds**

Tuesday, March 29, 2016, 5:00pm

Ungar Room 402

### Zhe Zhang

*Department of Mathematics*

University of Miami

University of Miami

**Scaling Limit of a Generalized Pólya Urn Model**

Tuesday, June 30, 2015, 3:00pm

Dooley Memorial Room 201

### Fan Zhang

*Department of Mathematics*

University of Miami

University of Miami

**A Nonlocal Spatial Model on Continuous Time and Space**

Wednesday, June 17, 2015, 3:00pm

Dooley Memorial Room 108

### Jing Chen

*Department of Mathematics*

University of Miami

University of Miami

**Nonlinear Dynamics of Some Ecological and Epidemiological Models**

Monday, May 18, 2015, 3:00pm

Dooley Memorial Room 100

### Kyle Evans-Lee

*Department of Mathematics*

University of Miami

University of Miami

**On the Configuration Spaces of Lens Spaces**

Thursday, April 2, 2015, 3:30pm

Physics Conference Room, 3rd Floor

### Prayat Poudel

*Department of Mathematics*

University of Miami

University of Miami

**Link Homology and Equivariant Gauge Theory**

Wednesday, April 1, 2015, 5:00pm

Ungar Room 402