Add to ORKGAbstract. For nn complex matrices A and an nn Hermitian matrix S, we consider the S-numerical range of A and the positive S-numerical range of A dened by W S (A) = hAv; vi S hv; vi S: v 2 I
AbstractIn this paper, we study the joint numerical range of m-tuples of Hermitian matrices via thei...
AbstractConsider a linear pencil Aλ+B, where A and B are n×n complex matrices. The numerical range o...
AbstractLet Cn×n be the linear space of all n × n complex matrices. Suppose 1⩽k⩽n. The generalized k...
AbstractLet Cn×n and Hn denote respectively the space of n×n complex matrices and the real space of ...
[[abstract]]Let and denote respectively the space of n×n complex matrices and the real space of n×...
AbstractLet Cn×n and Hn denote respectively the space of n×n complex matrices and the real space of ...
Let Cn×n and Hn denote respectively the space of n×n complex matrices and the real space of n×n herm...
AbstractThe following question is addressed: To what extent the n-tuple of m×m Hermitian matrices is...
AbstractLet A be an n×n complex matrix and c=(c1,c2,…,cn) a real n-tuple. The c-numerical range of A...
AbstractNecessary and sufficient conditions are given for the C-numerical range of a matrix A to be ...
AbstractLet A = (A1, A2) be a pair of Hermitian operators in Cn and A = A1 + iA2. We investigate cer...
Abstract. Notions of numerical ranges and joint numerical ranges of octonion matrices are introduced...
Abstract. Every norm on Cn induces two norm numerical ranges on the algebra Mn of all n n complex ...
Let p, q, n be integers satisfying 1 ≤ p ≤ q ≤ n. The (p, q)-numerical range of an n×n complex matri...
Let R be a proper subset of the complex plane, and let SR be the set of n × n complex matrices A suc...
AbstractIn this paper, we study the joint numerical range of m-tuples of Hermitian matrices via thei...
AbstractConsider a linear pencil Aλ+B, where A and B are n×n complex matrices. The numerical range o...
AbstractLet Cn×n be the linear space of all n × n complex matrices. Suppose 1⩽k⩽n. The generalized k...
AbstractLet Cn×n and Hn denote respectively the space of n×n complex matrices and the real space of ...
[[abstract]]Let and denote respectively the space of n×n complex matrices and the real space of n×...
AbstractLet Cn×n and Hn denote respectively the space of n×n complex matrices and the real space of ...
Let Cn×n and Hn denote respectively the space of n×n complex matrices and the real space of n×n herm...
AbstractThe following question is addressed: To what extent the n-tuple of m×m Hermitian matrices is...
AbstractLet A be an n×n complex matrix and c=(c1,c2,…,cn) a real n-tuple. The c-numerical range of A...
AbstractNecessary and sufficient conditions are given for the C-numerical range of a matrix A to be ...
AbstractLet A = (A1, A2) be a pair of Hermitian operators in Cn and A = A1 + iA2. We investigate cer...
Abstract. Notions of numerical ranges and joint numerical ranges of octonion matrices are introduced...
Abstract. Every norm on Cn induces two norm numerical ranges on the algebra Mn of all n n complex ...
Let p, q, n be integers satisfying 1 ≤ p ≤ q ≤ n. The (p, q)-numerical range of an n×n complex matri...
Let R be a proper subset of the complex plane, and let SR be the set of n × n complex matrices A suc...
AbstractIn this paper, we study the joint numerical range of m-tuples of Hermitian matrices via thei...
AbstractConsider a linear pencil Aλ+B, where A and B are n×n complex matrices. The numerical range o...
AbstractLet Cn×n be the linear space of all n × n complex matrices. Suppose 1⩽k⩽n. The generalized k...