Numerical radii of operator matrices in terms of certain complex combinations of operators

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)

Cites Work

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Numerical radius inequalities for certain \(2 \times 2\) operator matrices
New estimates on numerical radius and operator norm of Hilbert space operators
A matrix subadditivity inequality for \(f(A + B)\) and \(f(A) + f(B)\)
Upper and lower bounds for the numerical radius with an application to involution operators
Norm inequalities for positive operators
Numerical radius inequalities via convexity
Norm inequalities related to operator monotone functions
Further refinements of generalized numerical radius inequalities for Hilbert space operators
Some generalized numerical radius inequalities for Hilbert space operators
Cartesian decomposition and numerical radius inequalities
Numerical radii for tensor products of operators
Numerical radius inequalities for \(n \times n\) operator matrices
Submultiplicativity of the numerical radius of commuting matrices of order two
Further inequalities for the \(\mathbb{A}\)-numerical radius of certain \(2 \times 2\) operator matrices
A numerical radius inequality involving the generalized Aluthge transform
On the Singular Values of a Product of Operators
A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix
Heinz-type numerical radii inequalities
Numerical radius inequalities for Hilbert space operators
More accurate numerical radius inequalities (I)
A convex treatment of numerical radius inequalities
Cauchy-Schwarz type inequalities and applications to numerical radius inequalities
Numerical radius inequalities for Hilbert space operators. II
More accurate numerical radius inequalities (II)
On numerical range of the Aluthge transformation
Norm inequalities for certain operator sums
Weighted inequalities for the numerical radius
Generalized Euclidean Operator Radius

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