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| Main Author: | |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2404.11085 |
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Table of Contents:
- 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 negative support of a fake exponent $v$ with respect to a generic weight $w$ is included in a certain set, solutions can be computed using only the reduced Gröbner basis, and we can construct all $A$-hypergeometric series with exponent $v$ in the direction $w$ by Frobenius's method. As an example, we describe the Aomoto-Gel'fand system of type $3 \times 3$ in details.