- Series
- School of Mathematics Colloquium
- Time
- Thursday, November 13, 2025 - 11:00am for 1 hour (actually 50 minutes)
- Location
- Skiles 005
- Speaker
- Francis Su – Harvey Mudd College – su@math.hmc.edu – https://www.francissu.com/
- Organizer
- Harold Blum, Xiaoyu He, Julia Lindberg, Rose McCarty, John McCuan, Dmitrii Ostrovskii, and Wei Zhu
Sperner's lemma is a simple combinatorial result that is surprisingly powerful and useful---bringing together ideas in combinatorics, geometry, and topology while attracting interest from economists and game theorists. I'll explain why, show some old and new proofs, and present some recent generalizations with diverse applications.