Grade zero part of forced graded algebras
Representation Theory
2017-09-18 v1 Quantum Algebra
Abstract
The paper concerns a certain subcategory of the category of representations for a semisimple algebraic group in characteristic , which arise from the semisimple modules for the corresponding quantum group at a -th root of unity. The subcategory, thus, records the cohomological difference between quantum groups and algebraic groups. We define translation functors in this category and use them to obtain information on the irreducible characters for when the Lusztig character formula does not hold.
Keywords
Cite
@article{arxiv.1709.04967,
title = {Grade zero part of forced graded algebras},
author = {Hankyung Ko},
journal= {arXiv preprint arXiv:1709.04967},
year = {2017}
}
Comments
accepted for Special Issue on Representation Theory in Sci China Math