Comet-shaped quiver varieties, Weyl group actions, and modified Kostka polynomials
Résumé
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.
Domaines
Mathématiques [math]
Origine : Fichiers produits par l'(les) auteur(s)