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math.AC2026
Flat coordinates of Frobenius prepotentials related with the reflection groups of types and
Rei Aradachi, Hiromasa Nakayama, Jiro Sekiguchi
In this article, we first explain a group theoretic interpretation of the derivation of the relation between the flat coordinates of the polynomial prepotential and those o…
math.AC2025
Comprehensive Restriction Algorithm for Hypergeometric Systems
Hiromasa Nakayama, Nobuki Takayama
An algorithm computing the restriction of a holonomic D-module to a linear subspace was given by T.Oaku in 1997. We consider a problem of computing the restriction for a given holo…