Vector bundles on quantum conjugacy classes

Fuente: arXiv
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Main Author: Mudrov, Andrey
Format: Preprint
Published: 2022
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author Mudrov, Andrey
author_facet Mudrov, Andrey
contents Let $\mathfrak{g}$ be a simple complex Lie algebra of a classical type and $U_q(\mathfrak{g})$ the corresponding Drinfeld-Jimbo quantum group at $q$ not a root of unity. With every point $t$ of the fixed maximal torus $T$ of an algebraic group $G$ with Lie algebra $\mathfrak{g}$ we associate an additive category $\mathcal{O}_q(t)$ of $U_q(\mathfrak{g})$-modules that is stable under tensor product with finite-dimensional quasi-classical $U_q(\mathfrak{g})$-modules. We prove that $\mathcal{O}_q(t)$ is essentially semi-simple and use it to explicitly quantize equivariant vector bundles on the conjugacy class of $t$.
format Preprint
id arxiv_https___arxiv_org_abs_2201_04568
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Vector bundles on quantum conjugacy classes
Mudrov, Andrey
Quantum Algebra
Representation Theory
17B10, 17B37, 53D55
Let $\mathfrak{g}$ be a simple complex Lie algebra of a classical type and $U_q(\mathfrak{g})$ the corresponding Drinfeld-Jimbo quantum group at $q$ not a root of unity. With every point $t$ of the fixed maximal torus $T$ of an algebraic group $G$ with Lie algebra $\mathfrak{g}$ we associate an additive category $\mathcal{O}_q(t)$ of $U_q(\mathfrak{g})$-modules that is stable under tensor product with finite-dimensional quasi-classical $U_q(\mathfrak{g})$-modules. We prove that $\mathcal{O}_q(t)$ is essentially semi-simple and use it to explicitly quantize equivariant vector bundles on the conjugacy class of $t$.
title Vector bundles on quantum conjugacy classes
topic Quantum Algebra
Representation Theory
17B10, 17B37, 53D55
url https://arxiv.org/abs/2201.04568