DOIAbstract
AbstractIn this paper five questions related with the existence of nilpotent completions of partial upper triangular matrices, lower irreducibles and with trace equal to zero are presented and solved
AbstractIn this paper five questions related with the existence of nilpotent completions of partial upper triangular matrices, lower irreducibles and with trace equal to zero are presented and solved
AbstractJordan forms of completions of partial Jordan matrices are studied. Our approach is based on...
AbstractA pair (A, B), where A is an n x n matrix and B is an n x m matrix, is said to have the nonn...
A matrix is a Q0-matrix if for every k∈{1,2,…,n}, the sum of all k×k principal minors is nonnegative...
AbstractAn algorithm to obtain a completion of a partial upper triangular matrices with prescribed e...
AbstractWe give a counterexample to a conjecture about the possible Jordan normal forms of nilpotent...
AbstractFor a given partial upper triangular matrix A and a matrix b over a ring, we characterize th...
AbstractRodman and Shalom present in Linear Algebra Appl. 168:221–249 (1992) two completion conjectu...
AbstractJordan structures of strictly lower triangular completions of matrices over an algebraically...
AbstractA sufficient condition for a set of positive integers {g1,g2,...,gn} to be the geometric mul...
A real n by n matrix B is a P_0^+ -matrix if for each k in {1, 2, . . . , n} every k by k principal ...
An $n\times n$ matrix is called an $N_0$-matrix if all its principal minors are nonpositive. In this...
AbstractA P-matrix is a real square matrix having every principal minor positive, and a Fischer matr...
An n x n matrix is called an N-matrix if all principal minors are negative. In this paper, we are in...
AbstractA pair (A, B), where A is an n × n matrix and B is an n × m matrix, is said to have the nonn...
AbstractAn n×n matrix is called an N-matrix if all principal minors are negative. In this paper, we ...
AbstractJordan forms of completions of partial Jordan matrices are studied. Our approach is based on...
AbstractA pair (A, B), where A is an n x n matrix and B is an n x m matrix, is said to have the nonn...
A matrix is a Q0-matrix if for every k∈{1,2,…,n}, the sum of all k×k principal minors is nonnegative...
AbstractAn algorithm to obtain a completion of a partial upper triangular matrices with prescribed e...
AbstractWe give a counterexample to a conjecture about the possible Jordan normal forms of nilpotent...
AbstractFor a given partial upper triangular matrix A and a matrix b over a ring, we characterize th...
AbstractRodman and Shalom present in Linear Algebra Appl. 168:221–249 (1992) two completion conjectu...
AbstractJordan structures of strictly lower triangular completions of matrices over an algebraically...
AbstractA sufficient condition for a set of positive integers {g1,g2,...,gn} to be the geometric mul...
A real n by n matrix B is a P_0^+ -matrix if for each k in {1, 2, . . . , n} every k by k principal ...
An $n\times n$ matrix is called an $N_0$-matrix if all its principal minors are nonpositive. In this...
AbstractA P-matrix is a real square matrix having every principal minor positive, and a Fischer matr...
An n x n matrix is called an N-matrix if all principal minors are negative. In this paper, we are in...
AbstractA pair (A, B), where A is an n × n matrix and B is an n × m matrix, is said to have the nonn...
AbstractAn n×n matrix is called an N-matrix if all principal minors are negative. In this paper, we ...
AbstractJordan forms of completions of partial Jordan matrices are studied. Our approach is based on...
AbstractA pair (A, B), where A is an n x n matrix and B is an n x m matrix, is said to have the nonn...
A matrix is a Q0-matrix if for every k∈{1,2,…,n}, the sum of all k×k principal minors is nonnegative...
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