Identities for Poincar\'e polynomials via Kostant cascades
Combinatorics
2018-10-15 v1 Algebraic Geometry
Group Theory
Representation Theory
Abstract
We propose and prove an identity relating the Poincar\'e polynomials of stabilizer subgroups of the affine Weyl group and of the corresponding stabilizer subgroups of the Weyl group.
Cite
@article{arxiv.1810.05615,
title = {Identities for Poincar\'e polynomials via Kostant cascades},
author = {Jørgen Ellegaard Andersen and Jens Carsten Jantzen and Du Pei},
journal= {arXiv preprint arXiv:1810.05615},
year = {2018}
}
Comments
28 pages, 3 tables