English

Cacti and cells

Representation Theory 2015-06-16 v1 Combinatorics

Abstract

The goal of this paper is to construct an action of the cactus group of a Weyl group W on W that is nicely compatible with Kazhdan-Lusztig cells. The action is realized by the wall-crossing bijections that are combinatorial shadows of wall-crossing functors on the category O.

Cite

@article{arxiv.1506.04400,
  title  = {Cacti and cells},
  author = {Ivan Losev},
  journal= {arXiv preprint arXiv:1506.04400},
  year   = {2015}
}

Comments

18 pages

R2 v1 2026-06-22T09:53:21.878Z