paper

Analytic continuation of better-behaved GKZ systems and Fourier-Mukai transforms

arXiv:2305.12241 · doi:10.46298/epiga.2024.11695

Abstract

We study the relationship between solutions to better-behaved GKZ hypergeometric systems near different large radius limit points, and their geometric counterparts given by the -groups of the associated toric Deligne-Mumford stacks. We prove that the -theoretic Fourier-Mukai transforms associated to toric wall-crossing coincide with analytic continuation transformations of Gamma series solutions to the better-behaved GKZ systems, which settles a conjecture of Borisov and Horja.

20 pages, 1 figure; published version

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