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Characterization and construction of tridiagonal almost strictly sign regular matrices

Autor(es) y otros:
Abascal Fuentes, PolicarpoAutoridad Uniovi; Jiménez Meana, JorgeAutoridad Uniovi; Palacio Muñiz, AntonioAutoridad Uniovi; Serrano Ortega, María LuisaAutoridad Uniovi
Palabra(s) clave:

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

Fecha de publicación:
2021
Editorial:

Taylor & Francis

Versión del editor:
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
Resumen:

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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Embargado hasta:2028-01-31
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