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Twisted GKZ hypergeometric functions and relative cohomology
Published 16 Feb 2023 in math.AG | (2302.08430v1)
Abstract: We investigate the GKZ $A$-hypergeometric $\mathscr{D}$-modules, introduced by Gel'fand, Kapranov, and Zelevinskii, arising from cyclic covers of toric varieties and find its Riemann--Hilbert partner. This extends our earlier results in arXiv:1902.01536.
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