We usually meet in 508 Math at 7:00 PM and the talk takes place at 7:30 PM in 520 or 507 nearby.
| February 2 **Wednesday** | Sabin Cautis Columbia | Discovering sl(2) by Counting Points |
| February 9 **Wednesday** | Robert Lipshitz Columbia | High-Dimensional Holes in Low-Dimensional Spaces |
| February 23 **Wednesday** | Catherine Williams Columbia | Soap Films, Spacetime Singularities, and Black Holes |
| March 2 **Wednesday** | Krzysztof Putyra Columbia Grad Student | How Knotted are Knots? |
| March 9 **Wednesday** | Wei Ho Columbia | Algebraic Geometry Outside of Mathematics |
| March 23 **Wednesday** | Dusa McDuff Columbia | Symplectic Embeddings and Continued Fractions |
| March 30 **Wednesday** | Sucharit Sarkar Columbia | TBA |
| April 6 **Wednesday** | Ioan Filip Columbia Grad Student | Expander Graphs in Number Theory |
| April 13 **Wednesday** | Maksim Lipyanskiy Columbia | The Trefoil Knot, SL_2(Z) and Modular Forms |
| April 20 **Wednesday** | Kyler Siegel Columbia Undergrad | Mapping Class Groups and the Dehn-Nielsen-Baer Theorem |