A short survey of -matrices and new results on the subclass of -matrices

S Mondal, KC Sivakumar - arXiv preprint arXiv:2305.05547, 2023 - arxiv.org
A real square matrix $ A $ of order $ n\times n~(n\geq 3) $ is called an $ F_0 $-matrix, if it is
a $ Z $-matrix (off-diagonal entries nonpositive), all of whose principal submatrices of orders …

On the matrix class Q0 and inverse monotonicity properties of bordered matrices

PN Choudhury, N Eagambaram, KC Sivakumar… - Linear Algebra and its …, 2021 - Elsevier
Let A be a square matrix satisfying either a monotonicity condition (like inverse
nonnegativity) or a property expressed in terms of the existence of solution of the linear …