Module categories for $A_n$ web categories from $\tilde{A}_{n-1}$-buildings

Fuente: arXiv
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Autor principal: McGovern, Emily
Formato: Preprint
Publicado: 2022
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author McGovern, Emily
author_facet McGovern, Emily
contents We equip the category of vector bundles over the vertices of a locally finite $\tilde{A}_{n-1}$ building $Δ$ with the structure of a module category over a category of type $A_{n}$ webs in positive characteristic. This module category is a $q$-analogue of the $Rep(SL_{n})$ action on vector bundles over the $sl_n$ weight lattice. We show our module categories are equivariant with respect to symmetries of the building, and when a group $G$ acts simply transitively on the vertices of $Δ$ this recovers the fiber functors constructed by Jones.
format Preprint
id arxiv_https___arxiv_org_abs_2211_01149
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Module categories for $A_n$ web categories from $\tilde{A}_{n-1}$-buildings
McGovern, Emily
Quantum Algebra
We equip the category of vector bundles over the vertices of a locally finite $\tilde{A}_{n-1}$ building $Δ$ with the structure of a module category over a category of type $A_{n}$ webs in positive characteristic. This module category is a $q$-analogue of the $Rep(SL_{n})$ action on vector bundles over the $sl_n$ weight lattice. We show our module categories are equivariant with respect to symmetries of the building, and when a group $G$ acts simply transitively on the vertices of $Δ$ this recovers the fiber functors constructed by Jones.
title Module categories for $A_n$ web categories from $\tilde{A}_{n-1}$-buildings
topic Quantum Algebra
url https://arxiv.org/abs/2211.01149