Standard objects in 2-braid groups
Representation Theory
2017-05-17 v2
Abstract
For any Coxeter system we establish the existence (conjectured by Rouquier) of analogues of standard and costandard objects in 2-braid groups. This generalizes a known extension vanishing formula in the BGG category O.
Keywords
Cite
@article{arxiv.1205.4206,
title = {Standard objects in 2-braid groups},
author = {Nicolas Libedinsky and Geordie Williamson},
journal= {arXiv preprint arXiv:1205.4206},
year = {2017}
}
Comments
23 pages. v2: final version