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Bibliographic Details
Main Authors:	Padilla, Diego Fernando Díaz, Arango, Jesús Alonso Ochoa
Format:	Preprint
Published:	2023
Subjects:	Number Theory Information Theory Commutative Algebra Group Theory 43A32, 42A99, 43A25, 42A38, 15A15
Online Access:	https://arxiv.org/abs/2310.09992
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Table of Contents:

In this paper we continue the study of the nonvanishing minors property (NVM) initiated by Garcia, Karaali and Katz, for the compressed Fourier matrix attached to a subgroup $H$ of the multiplicative group of a finite field $\mathbb{F}_q$ and a character $χ$ defined over $H$. Here we provide a characterization of this aforementioned property for \textit{symmetries} arising from an index-3 subgroup $H$ and a nontrivial character $χ$.