AbstractSeveral characterizations of Jacobi nonsingular sign regular matrices are presented. Moreover, a stable test of O(n) elementary operations is obtained to check if an n×n Jacobi nonsingular matrix is sign regular
The concept of depth of an almost strictly sign regular matrix is introduced and used to simplify so...
Almost strictly sign regular matrices are sign regular matrices with a special zero pattern and whos...
The concept of depth of an almost strictly sign regular matrix is introduced and used to simplify so...
AbstractSeveral characterizations of Jacobi nonsingular sign regular matrices are presented. Moreove...
AbstractAn m×n matrix A is sign regular if, for each k (1⩽k⩽min{m,n}), all k×k submatrices of A have...
AbstractAn n×n real matrix is called sign regular if, for each k (1⩽k⩽n), all its minors of order k ...
AbstractAn m×n matrix A is sign regular if, for each k (1⩽k⩽min{m,n}), all k×k submatrices of A have...
AbstractA characterization of strict sign-regular matrices is obtained. It is given in an algorithmi...
This is the author’s version of a work that was accepted for publication in Linear Algebra and its A...
AbstractAn n×n real matrix is called sign regular if, for each k (1⩽k⩽n), all its minors of order k ...
A matrix is called strictly sign-regular of order k (SSR_k) if all its k-by-k minors are nonzero and...
A matrix is called strictly sign-regular of order k (SSR_k) if all its k-by-k minors are nonzero and...
AbstractA square matrix A=(aij) is called m-banded if aij=0 for all |i-j|>m. Motivated by the result...
AbstractThe class of nonsingular almost strictly totally positive matrices has been characterized [M...
AbstractA characterization of strict sign-regular matrices is obtained. It is given in an algorithmi...
The concept of depth of an almost strictly sign regular matrix is introduced and used to simplify so...
Almost strictly sign regular matrices are sign regular matrices with a special zero pattern and whos...
The concept of depth of an almost strictly sign regular matrix is introduced and used to simplify so...
AbstractSeveral characterizations of Jacobi nonsingular sign regular matrices are presented. Moreove...
AbstractAn m×n matrix A is sign regular if, for each k (1⩽k⩽min{m,n}), all k×k submatrices of A have...
AbstractAn n×n real matrix is called sign regular if, for each k (1⩽k⩽n), all its minors of order k ...
AbstractAn m×n matrix A is sign regular if, for each k (1⩽k⩽min{m,n}), all k×k submatrices of A have...
AbstractA characterization of strict sign-regular matrices is obtained. It is given in an algorithmi...
This is the author’s version of a work that was accepted for publication in Linear Algebra and its A...
AbstractAn n×n real matrix is called sign regular if, for each k (1⩽k⩽n), all its minors of order k ...
A matrix is called strictly sign-regular of order k (SSR_k) if all its k-by-k minors are nonzero and...
A matrix is called strictly sign-regular of order k (SSR_k) if all its k-by-k minors are nonzero and...
AbstractA square matrix A=(aij) is called m-banded if aij=0 for all |i-j|>m. Motivated by the result...
AbstractThe class of nonsingular almost strictly totally positive matrices has been characterized [M...
AbstractA characterization of strict sign-regular matrices is obtained. It is given in an algorithmi...
The concept of depth of an almost strictly sign regular matrix is introduced and used to simplify so...
Almost strictly sign regular matrices are sign regular matrices with a special zero pattern and whos...
The concept of depth of an almost strictly sign regular matrix is introduced and used to simplify so...
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