English

Singular Light Leaves

Representation Theory 2024-01-09 v1

Abstract

For any Coxeter system we introduce the concept of singular light leaves, answering a question of Williamson raised in 2008. They provide a combinatorial basis for Hom spaces between singular Soergel bimodules.

Cite

@article{arxiv.2401.03053,
  title  = {Singular Light Leaves},
  author = {Ben Elias and Hankyung Ko and Nicolas Libedinsky and Leonardo Patimo},
  journal= {arXiv preprint arXiv:2401.03053},
  year   = {2024}
}
R2 v1 2026-06-28T14:09:53.575Z