AbstractLet P denote the n-by-n matrices all of whose principal minors are positive. For S = P and certain classes closely related to P, we characterize the linear transformations L on n-by-n complex matrices such that L(S)⊆S, under certain nonsingularity assumptions on L
AbstractIt is shown that if a linear transformation T on the space of n × n complex matrices maps no...
AbstractThe author studies the construction of p.n.p. matrices, i.e., matrices with nonpositive prin...
AbstractA matrix A∈Mn(R) has a nest of positive principal minors if PAPT has positive leading princi...
AbstractLet P denote the n-by-n matrices all of whose principal minors are positive. For S = P and c...
AbstractIn this paper, we study and characterize various classes of matrices that are defined based ...
AbstractA characterization is given for linear transformations on n × n matrices which map the class...
AbstractIn this paper, we study and characterize various classes of matrices that are defined based ...
AbstractA characterization is given for linear transformations on n × n matrices which map the class...
AbstractA real square matrix is said to be a P-matrix if all its principal minors are positive. It i...
AbstractThe localization of the eigenvalues of matrices with nonnegative sums of principal minors is...
AbstractIn this paper we examine two well-known classes of matrices in linear complementarity theory...
AbstractA new necessary and sufficient condition is given for all principal minors of a square matri...
AbstractThe relation between positivity of principal minors, sign symmetry and stability of matrices...
AbstractA real square matrix is said to be a P-matrix if all its principal minors are positive. It i...
AbstractLet C denote the class of hidden Z-matrices, i.e., M∈C if and only if there exist Z-matrices...
AbstractIt is shown that if a linear transformation T on the space of n × n complex matrices maps no...
AbstractThe author studies the construction of p.n.p. matrices, i.e., matrices with nonpositive prin...
AbstractA matrix A∈Mn(R) has a nest of positive principal minors if PAPT has positive leading princi...
AbstractLet P denote the n-by-n matrices all of whose principal minors are positive. For S = P and c...
AbstractIn this paper, we study and characterize various classes of matrices that are defined based ...
AbstractA characterization is given for linear transformations on n × n matrices which map the class...
AbstractIn this paper, we study and characterize various classes of matrices that are defined based ...
AbstractA characterization is given for linear transformations on n × n matrices which map the class...
AbstractA real square matrix is said to be a P-matrix if all its principal minors are positive. It i...
AbstractThe localization of the eigenvalues of matrices with nonnegative sums of principal minors is...
AbstractIn this paper we examine two well-known classes of matrices in linear complementarity theory...
AbstractA new necessary and sufficient condition is given for all principal minors of a square matri...
AbstractThe relation between positivity of principal minors, sign symmetry and stability of matrices...
AbstractA real square matrix is said to be a P-matrix if all its principal minors are positive. It i...
AbstractLet C denote the class of hidden Z-matrices, i.e., M∈C if and only if there exist Z-matrices...
AbstractIt is shown that if a linear transformation T on the space of n × n complex matrices maps no...
AbstractThe author studies the construction of p.n.p. matrices, i.e., matrices with nonpositive prin...
AbstractA matrix A∈Mn(R) has a nest of positive principal minors if PAPT has positive leading princi...
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