Morita theory of twisted sheaves on $μ_{n}$-gerbes of line bundles

Fuente: arXiv
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Auteurs principaux: Liu, Yeqin, Shen, Yu
Format: Preprint
Publié: 2024
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author Liu, Yeqin
Shen, Yu
author_facet Liu, Yeqin
Shen, Yu
contents We study Morita theory of twisted sheaves on $μ_{n}$-gerbes of line bundles $\mathscr{X}$. In this context, we find explicit equivalent conditions for when two Azumaya algebras on $\mathscr{X}$ are Morita equivalent. Additionally, we provide an example showing that Căldăraru's Conjecture does not hold for Deligne--Mumford stacks in general.
format Preprint
id arxiv_https___arxiv_org_abs_2409_20317
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Morita theory of twisted sheaves on $μ_{n}$-gerbes of line bundles
Liu, Yeqin
Shen, Yu
Algebraic Geometry
Number Theory
14F22
We study Morita theory of twisted sheaves on $μ_{n}$-gerbes of line bundles $\mathscr{X}$. In this context, we find explicit equivalent conditions for when two Azumaya algebras on $\mathscr{X}$ are Morita equivalent. Additionally, we provide an example showing that Căldăraru's Conjecture does not hold for Deligne--Mumford stacks in general.
title Morita theory of twisted sheaves on $μ_{n}$-gerbes of line bundles
topic Algebraic Geometry
Number Theory
14F22
url https://arxiv.org/abs/2409.20317