A sharp bound for hypergeometric rank in dimension three
Algebraic Geometry
2023-01-12 v1 Commutative Algebra
Abstract
We provide a sharp upper bound on the quotient of the rank of an A-hypergeometric system with a three-dimensional torus action by the normalized volume of A; in this case, the upper bound is two.
Keywords
Cite
@article{arxiv.2301.04569,
title = {A sharp bound for hypergeometric rank in dimension three},
author = {Christine Berkesch and María-Cruz Fernández-Fernández},
journal= {arXiv preprint arXiv:2301.04569},
year = {2023}
}
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9 pages