3 papers
math.AG2026
Core Coordinates and Negative Support in A-Hypergeometric Systems
Mao Nagamine, Nagamine Mao
For a homogeneous -hypergeometric system, let be the intersection of the negative support family for a fake exponent , and let be the set of indices of variables…
math.AC2026
Hilbert Series and Logarithmic Degrees of -Hypergeometric Series
Mao Nagamine
Fix a generic weight vector and a fake exponent of a homogeneous -hypergeometric system. Using all corresponding standard pairs, including embedded ones, we construct an Artinia…
math.AG2024
-hypergeometric Series with Parameters in the Core
Mao Nagamine
In this paper, we discuss the computational approach to the results established by Okuyama and Saito. Although their results are often difficult to compute, we prove that, when the…