Diagonal dominance and invertibility of matrices

A weakly diagonally dominant matrix may or may not be invertible. We characterize, in terms of combinatorial structure and sign pattern when such a matrix is invertible, which is the common case. Examples are given.

Bibliographic Details
Main Authors: Johnson Charles Royal, Marijuán Carlos, Pisonero Miriam
Format: Article
Language:English
Published: De Gruyter 2023-01-01
Series:Special Matrices
Subjects:
Online Access:https://doi.org/10.1515/spma-2022-0181