English

Comet-shaped quiver varieties, Weyl group actions, and modified Kostka polynomials

Representation Theory 2023-01-10 v1 Combinatorics

Abstract

We study an algebra spanned by modified Kostka polynomials. Particular structure coefficients of this algebra are interpreted as traces of some Weyl group actions on the intersection cohomology of comet-shaped quiver varieties.

Keywords

Cite

@article{arxiv.2301.03434,
  title  = {Comet-shaped quiver varieties, Weyl group actions, and modified Kostka polynomials},
  author = {Mathieu Ballandras},
  journal= {arXiv preprint arXiv:2301.03434},
  year   = {2023}
}

Comments

52 pages

R2 v1 2026-06-28T08:07:41.085Z