Numerical radii for tensor products of operators

DOI10.1007/s00020-013-2098-5zbMath1303.47008OpenAlexW2037479083MaRDI QIDQ2445446

Pei Yuan Wu, Hwa-Long Gau, Kuo-Zhong Wang

Publication date: 14 April 2014

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00020-013-2098-5

zbMATH Keywords

numerical rangehyponormal operatortensor productnumerical radiusnormal dilation

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Numerical range, numerical radius (47A12) Dilations, extensions, compressions of linear operators (47A20) Tensor products of linear operators (47A80)

Related Items

Inequalities for the Kronecker product of matrices ⋮ Completing an operator matrix and the free joint numerical radius ⋮ Maximal numerical range of the bimultiplication M_2, A, B ⋮ Numerical radius inequalities for tensor product of operators ⋮ Unnamed Item ⋮ On the maximal numerical range of a hyponormal operator ⋮ A new class intermediate between hyponormal operators and normaloid operators ⋮ On the maximal numerical range of the bimultiplication M_2,A,B

Cites Work

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• Numerical ranges of products and tensor products
• Matricial ranges of quadratic operators
• Subnormal Operators, Toeplitz Operators and Spectral Inclusion
• Some unsolved problems of unknown depth about operators on Hilbert space
• Approximate Proper Vectors
• On the Closure of the Numerical Range of an Operator
• Multiplicative properties of the numerical radius in operator theory.

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