- Sponsor
- Algebraic Geometry Group, Department of Mathematics
- Speaker
- Rob Silversmith (Emory University)
- Originating Calendar
- Mathematics Seminar Series: Algebraic Geometry
Title: Counting configurations of points in projective space
Abstract: The cross-ratio degree problem is a combinatorial problem in algebraic geometry: it counts configurations of points in P^1 such that specified subsets have fixed cross-ratio. No combinatorial answer is known, though we do know various constraints involving the theory of matchings of bipartite graphs. I’ll discuss what is known about this problem, some interesting special cases and equivalent characterizations, and the natural generalization to higher dimensions.