Ehrhart series and lattice triangulationsAlgebra & Discrete Mathematics
|Speaker:||Sam Payne, Stanford|
|Start time:||Fri, Dec 8 2006, 12:10PM|
I will discuss combinatorial formulas for counting lattice points in polytopes using lattice triangulations. These formulas are inspired by calculations from stringy algebraic geometry, and lead to examples of reflexive polytopes whose Ehrhart series have unexpected properties.