We usually meet in 508 Math at 7:30 and the talk takes place in 520 or 507 nearby.
| January 28 **Wednesday** | James Ouyang Columbia Undergrad  | Claude Lévi-Strauss and Structuralism through Group Theory | 
| February 4 **Wednesday** | David Keyes Columbia  | Scientific Discovery Through Advanced Computing | 
| February 11 **Wednesday** | Alice Rizzardo Columbia Grad Student  | Billiards | 
| February 18 **Wednesday** | Giwan Kim Columbia Undergrad  | Representations of Lie Algebras | 
| February 25 **Wednesday** | Adam Levine Columbia Grad Student  | 3 - Manifolds and Surgery | 
| March 2 **Monday** | Ina Petkova Columbia Grad Student  | Knots and Surfaces | 
| March 11 **Wednesday** | Dusa McDuff Columbia  | What is symplectic geometry? -- complex numbers and the camel | 
| March 25 **Wednesday** | Christopher Lopez Columbia Undergrad  | Pontryagin Duality and Abelian Groups | 
| March 31 **Tuesday** | Irena Penev Columbia Grad Student  | Internal Set Theory and Nonstandard Analysis | 
| April 8 **Wednesday** | Claire Zukowski Columbia Undergrad  | Applications of Group Theory in Physics | 
| April 15 **Wednesday** | Atanas Atanasov Columbia Undergrad  | What is a variety? What is a toric variety? | 
| April 22 **Wednesday** | Alexander Perry Columbia Undergrad  | Schemes | 
| April 29 **Wednesday** | Yael Degany Columbia Undergrad  | An Introduction to Graphs |