Positivity of Schubert Coefficients
SEMINARS: HARVARD-MIT COMBINATORICS
When: January 29, 2025
4:15 pm - 5:15 pm
Where: Science Center 232
Speaker: Colleen Robichaux (UCLA)
Schubert coefficients are nonnegative integers that arise in Algebraic Geometry and play a central role in Algebraic Combinatorics. It is a major open problem whether they have a combinatorial interpretation, i.e., they are in #P. In this talk we discuss the closely related problem of the positivity of Schubert coefficients. We prove a positive rule for this problem based on two standard assumptions.
This is joint work with Igor Pak.
For information about the Richard P. Stanley Seminar in Combinatorics, visit https://math.mit.edu/combin/