On Fourier-Mukai transforms of upward flows for Hitchin systems

Fuente: arXiv
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1. Verfasser: Fang, David
Format: Preprint
Veröffentlicht: 2025
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author Fang, David
author_facet Fang, David
contents We consider the moduli space of semistable Higgs bundles on a smooth projective curve. Motivated by mirror symmetry, Hausel and Hitchin showed that over an open of the locus of smooth Hitchin fibers, the duality of Donagi-Pantev intertwines certain Lagrangian upward flows with hyperholomorphic vector bundles constructed from universal Higgs bundles. Using Arinkin's sheaf and some codimension estimates, we show a generalization of this result over the entire Hitchin base, for Higgs bundles of arbitrary degree.
format Preprint
id arxiv_https___arxiv_org_abs_2504_04309
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On Fourier-Mukai transforms of upward flows for Hitchin systems
Fang, David
Algebraic Geometry
We consider the moduli space of semistable Higgs bundles on a smooth projective curve. Motivated by mirror symmetry, Hausel and Hitchin showed that over an open of the locus of smooth Hitchin fibers, the duality of Donagi-Pantev intertwines certain Lagrangian upward flows with hyperholomorphic vector bundles constructed from universal Higgs bundles. Using Arinkin's sheaf and some codimension estimates, we show a generalization of this result over the entire Hitchin base, for Higgs bundles of arbitrary degree.
title On Fourier-Mukai transforms of upward flows for Hitchin systems
topic Algebraic Geometry
url https://arxiv.org/abs/2504.04309