scientific article; zbMATH DE number 3408357
From MaRDI portal
zbMath0258.47001MaRDI QIDQ5673950
No author found.
Publication date: 1973
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Related Items
Extremality of numerical radii of matrix products, Operators characterized by certain Cauchy-Schwarz type inequalities, When does ‖f(A)‖ = f(‖A‖) hold true?, Explicit and unique construction of tetrablock unitary dilation in a certain case, Submultiplicativity of the numerical radius of commuting matrices of order two, Completion of operator partial matrices to square-zero contractions, The structure of the core of a numerical contraction, Shorted operators and the structure of operators with numerical radius one, Operator matrices in class \(C_{\rho }\), Efficient A-stable peer two-step methods, An Algorithm for Finding a 2-Similarity Transformation from a Numerical Contraction to a Contraction, Numerical radius inequalities for nonlinear operators in Hilbert spaces, Completing an operator matrix and the free joint numerical radius, Minkowski product of convex sets and product numerical range, Numerical Ranges of Operators and Matrices, On the \(\rho\)-operator radii, Matrix powers with circular numerical range, Dilations of \(\varGamma\)-contractions by solving operator equations, An experimental comparison of methods for computing the numerical radius, A research problem:, Schur multiplier norms for Loewner matrices, Positive solutions to \(X=A-BX^{-1}B^*\), Complete order equivalence of spin unitaries, Matricial ranges of quadratic operators, Partial Smoothness of the Numerical Radius at Matrices Whose Fields of Values are Disks, Extremality of numerical radii of tensor products of matrices, Some Extensions of the Crouzeix--Palencia Result, Berezin transform of the absolute value of an operator, Operator systems from discrete groups, Completely positive interpolations of compact, trace-class and Schatten-\(p\) class operators, The matricial range of \(E_{21}\), Numerical ranges of the powers of an operator, Some Constants Related to Numerical Ranges, Quadratic stability of two-dimensional dynamics, On mapping theorems for numerical range, Generalized numerical ranges, dilation, and quantum error correction, Necessary and sufficient conditions for the existence of a positive definite solution of the matrix equation \(X+A^*X^{-1}A=Q\), Structure of quadratic inequalities, Inner functions of numerical contractions, An alternate variational characterization of matrix Riccati equation solutions, Induced norms of the Schur multiplier operator, Near Normal Dilations of Nonnormal Matrices and Linear Operators, Numerical range, dilation, and completely positive maps, On \(\Gamma_n\)-contractions and their conditional dilations, Faces of sets of operators with the numerical range in a prescribed polyhedron, On the matrix equation \(X+A^ TX^{-1}A=I\), The numerical radius and positivity of block matrices, Higher rank numerical ranges of Jordan-like matrices, Complete spectral sets and numerical range, The operator system of Toeplitz matrices, Convex domains and K-spectral sets
