AbstractIn hopes that it will be useful to a wide audience, a long list of conditions on an n-by-n complex matrix A, equivalent to its being normal, is presented. In most cases, a description of why the condition is equivalent to normality is given
AbstractA convexity result for complex numbers is proven with the aid of the logarithmic spiral. Thi...
AbstractAn infinite class of conditions known to be satisfied by the diagonal elements of a normal m...
AbstractConjugate-normal matrices play the same important role in the theory of unitary congruence a...
AbstractIn hopes that it will be useful to a wide audience, a long list of conditions on an n-by-n c...
AbstractA list of seventy conditions on an n × n complex matrix A, equivalent to its being normal, p...
Elsner L, Ikramov KD. Normal matrices: an update. Linear Algebra and its Applications. 1998;285(1-3)...
AbstractSuppose that is said to be subnormal if there exist matrices X and Y such that is normal. We...
AbstractWhen can an (n-k)×(n-k) normal matrix B be imbedded in an n×n normal matrix A? This question...
We study classes of matrices defined by various normality properties with respect to an indefinite (...
AbstractIt is shown that the real algebra generated by a pair A,B of n × n (complex) matrices consis...
AbstractWe study classes of matrices defined by various normality properties with respect to an inde...
AbstractThe normal Hankel problem is the one of characterizing the matrices that are normal and Hank...
AbstractWe study m×n×2 matrices up to equivalence and give a canonical form of m×2×2 matrices over a...
An n-by-n matrix is called almost normal if the maximal cardinality of a set of orthogonal eigenvect...
AbstractThe definition of a Qm-normal family, m∈N, is a geometrical extension of the notion of norma...
AbstractA convexity result for complex numbers is proven with the aid of the logarithmic spiral. Thi...
AbstractAn infinite class of conditions known to be satisfied by the diagonal elements of a normal m...
AbstractConjugate-normal matrices play the same important role in the theory of unitary congruence a...
AbstractIn hopes that it will be useful to a wide audience, a long list of conditions on an n-by-n c...
AbstractA list of seventy conditions on an n × n complex matrix A, equivalent to its being normal, p...
Elsner L, Ikramov KD. Normal matrices: an update. Linear Algebra and its Applications. 1998;285(1-3)...
AbstractSuppose that is said to be subnormal if there exist matrices X and Y such that is normal. We...
AbstractWhen can an (n-k)×(n-k) normal matrix B be imbedded in an n×n normal matrix A? This question...
We study classes of matrices defined by various normality properties with respect to an indefinite (...
AbstractIt is shown that the real algebra generated by a pair A,B of n × n (complex) matrices consis...
AbstractWe study classes of matrices defined by various normality properties with respect to an inde...
AbstractThe normal Hankel problem is the one of characterizing the matrices that are normal and Hank...
AbstractWe study m×n×2 matrices up to equivalence and give a canonical form of m×2×2 matrices over a...
An n-by-n matrix is called almost normal if the maximal cardinality of a set of orthogonal eigenvect...
AbstractThe definition of a Qm-normal family, m∈N, is a geometrical extension of the notion of norma...
AbstractA convexity result for complex numbers is proven with the aid of the logarithmic spiral. Thi...
AbstractAn infinite class of conditions known to be satisfied by the diagonal elements of a normal m...
AbstractConjugate-normal matrices play the same important role in the theory of unitary congruence a...