Almost strictly sign regular rectangular matrices
Combinatorics
2024-02-19 v1
Abstract
Almost strictly sign regular matrices are sign regular matrices with a special zero pattern and whose nontrivial minors are nonzero. In this paper we provide several properties of almost strictly sign regular rectangular matrices and analyze their QR factorization.
Keywords
Cite
@article{arxiv.2402.10225,
title = {Almost strictly sign regular rectangular matrices},
author = {P. Alonso and J. M. Peña and M. L. Serrano},
journal= {arXiv preprint arXiv:2402.10225},
year = {2024}
}
Comments
10 pages