Algebra and Discrete Mathematics Seminar, UC Davis

Aram Dermenjian, York University

Sign Variations and Descents

Organizer's time: 2021-01-28 09:30 America/Los_Angeles

Duration: 1 hour

In this talk we consider a poset structure on projective sign vectors. We show that the order complex of this poset is partitionable and give an interpretation of the h-vector using type B descents of the type D Coxeter group.

Submitted by: Eugene Gorsky