New unitary equivalences for some operator matrices with applications
From MaRDI portal
Publication:6175922
DOI10.1080/03081087.2022.2092046OpenAlexW4283520936WikidataQ114100552 ScholiaQ114100552MaRDI QIDQ6175922
Saeed Karami, Unnamed Author, Jamal Rooin
Publication date: 25 July 2023
Published in: Linear and Multilinear Algebra (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1080/03081087.2022.2092046
numerical radiusoperator matrixunitary equivalenceoff-diagonalcross-diagonalleft circulantskew left circulant
Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Linear operator inequalities (47A63) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)
Cites Work
- Unnamed Item
- Numerical radius inequalities for certain \(2 \times 2\) operator matrices
- A new approach to numerical radius of quadratic operators
- A norm compression inequality for block partitioned positive semidefinite matrices
- Norm equalities and inequalities for operator matrices
- Norm inequalities for partitioned operators and an application
- Inequalities for trace norms of \(2\times 2\) block matrices.
- Upper bounds for numerical radius inequalities involving off-diagonal operator matrices
- An extension of several essential numerical radius inequalities of \(2\times 2\) off-diagonal operator matrices
- Seminorm and numerical radius inequalities of operators in semi-Hilbertian spaces
- Sharp inequalities for the numerical radii of block operator matrices
- Numerical radius inequalities for certain \(2\times 2\) operator matrices. II
- Numerical radius inequalities for \(n \times n\) operator matrices
- Inequalities for operator space numerical radius of 2 × 2 block matrices
- Numerical Radius Inequalities for Commutators of Hilbert Space Operators
- On Clarkson-McCarthy inequalities for $n$-tuples of operators
- On Numerical Radius Inequalities for Operator Matrices