We usually meet in 508 Math at about 7:00 and the talk takes place in 520 or 507 nearby.
| January 24 | Ilya Vinogradov Columbia Undergrad  | A nice problem in analytic number theory | 
| February 7; 7:30 pm | Dmytro Karabash Columbia Undergrad  | 
On Shelah-Soifer Graphs | 
| February 13; 7:15 pm | Xander Faber Columbia Grad Student  | The Points Between the Primes | 
| February 21; 7:30pm | Yao Liu Columbia Undergrad  | Triangle Centers and Extraversions | 
| February 28 | Patrick Gallagher Columbia  | Some elementary geometry, from Eudoxus to Legendre, Monge and Mannheim | 
| March 21 | Andrew Lawrie Columbia Undergrad  | An Interesting Proof of Brouwer Fixed Point Theorem | 
| March 28 | Mikhail Shklyar Columbia Undergrad  | Modular Origami Workshop | 
| April 4 | Thomas Dumitrescu Columbia Undergrad  | Divergent quantities | 
| April 10 | Rebecca Bellovin Columbia Undergrad  | Squares in Z/pZ | 
| April 18 | Danny Gillam Columbia Grad Student  | The Long Line | 
| April 25 | Duong Phong Columbia  | TBA |