Cohomology in singular blocks of parabolic category $\mathcal{O}$
Representation Theory
2023-04-18 v2
Abstract
We determine the dimensions of -groups between simple modules and dual generalized Verma modules in singular blocks of parabolic versions of category for complex semisimple Lie algebras and affine Kac-Moody algebras.
Keywords
Cite
@article{arxiv.2210.02269,
title = {Cohomology in singular blocks of parabolic category $\mathcal{O}$},
author = {Jonathan Gruber},
journal= {arXiv preprint arXiv:2210.02269},
year = {2023}
}
Comments
14 pages. Minor revisions after a referee report. To appear in Glasg. Math. J