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Characterization and construction of tridiagonal almost strictly sign regular matrices

Author:
Abascal Fuentes, PolicarpoUniovi authority; Jiménez Meana, JorgeUniovi authority; Palacio Muñiz, AntonioUniovi authority; Serrano Ortega, María LuisaUniovi authority
Subject:

Sign regular matrices; almost strictly sign regular matrices; Jacobi matrices; tridiagonal matrices

Publication date:
2021
Editorial:

Taylor & Francis

Publisher version:
https://doi.org/10.1080/00207160.2021.1954171
Citación:
Computer Mathematics, 99(6), p, 1124-1138 (2021); doi:10.1080/00207160.2021.1954171
Descripción física:
p. 1124-1138
Abstract:

In this paper, a method to construct tridiagonal almost strictly sign regular (ASSR) matrices is presented. Moreover, we study the necessary conditions for this construction and we provide a characterization of an ASSR n × n matrix in terms of the sign of n minors of it.

In this paper, a method to construct tridiagonal almost strictly sign regular (ASSR) matrices is presented. Moreover, we study the necessary conditions for this construction and we provide a characterization of an ASSR n × n matrix in terms of the sign of n minors of it.

URI:
https://hdl.handle.net/10651/70959
ISSN:
1029-0265
DOI:
10.1080/00207160.2021.1954171
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