We usually meet in 508 Math at 7:00 and the talk takes place in 520 or 507 nearby.
| January 27 **Wednesday** | Alex Blumenthal Columbia Undergrad  | Applications of Ergodic Theory to Additive Number Theory | 
| February 3 **Wednesday** | Dominick Scaletta Columbia Undergrad  | Fiber Bundles, the Hopf Fibration and Magnetic Monopoles | 
| February 10 **Wednesday** | Adam Jacob Columbia Grad Student  | 
The Isoperimetric Problem for Surfaces with Density CANCELED  | 
| February 17 **Wednesday** | Dmitry Zakharov Columbia Grad Student  | The Korteweg--de Vries Equation and an Introduction to the Theory of Integrable Systems | 
| February 24 **Wednesday** | Daniel Disegni Columbia Grad Student  | Two proofs of Poncelet's Porism | 
| March 3 **Wednesday** | Adam Jacob Columbia Grad Student  | The Isoperimetric Problem for Surfaces with Density | 
| March 10 **Wednesday** | Alexander Moll Columbia Undergrad  | Sperner Posets and Young's Lattice | 
| March 17 **Wednesday** | No talk | Spring break | 
| March 24 **Wednesday** | Alexander Perry Columbia Undergrad  | Cohomology Theories | 
| March 31 **Wednesday** | Benjamin Elias Columbia Grad Student  | Minimally Faithful Finite Group Actions | 
| April 7 **Wednesday** | Atanas Atanasov Columbia Undergrad  | Homotopy and Cohomology | 
| April 14 **Wednesday** | Peter Horn Columbia  | Group Cohomology of Mapping Class Groups | 
| April 21 **Wednesday** | Lan-Hsuan Huang Columbia  | An introduction to initial data sets in general relativity | 
| April 28 **Wednesday** | Chen-Yun Lin Columbia Grad Student  | Curvature and Sphere Theorems |