A characterization of spectraloid operators and its generalization

DOI10.3792/pja/1195521515zbMath0163.37801OpenAlexW1969238510MaRDI QIDQ5547947

Z. Takeda, Takayuki Furuta

Publication date: 1967

Published in: Proceedings of the Japan Academy, Series A, Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3792/pja/1195521515

zbMATH Keywords

bounded linear operatornormaloid operatorspectraloid operators

Mathematics Subject Classification ID

Operator theory (47-XX)

Related Items

Extremality of numerical radii of matrix products, The generalized spectral matrices and radial matrices on symmetry classes of tensors, A note on two inequalities correlated to unitary $\rho $-dilatations, On tensor products of operators, On certain finite dimensional numerical ranges and numerical radii^†, On characters of singly generated $C^ *$-algebras, On the numerical range of an operator, Spectral radius of semi-Hilbertian space operators and its applications, On the numerical radius and its applications, Certain convexoid operators, Generalized spectral radius and norm inequalities for Hilbert space operators, On the generalized radial matrices and a conjecture of Marcus and Sandy

Cites Work

• Unnamed Item
• An elementary proof of the power inequality for the numerical radius
• Some mapping theorems for the numerical range
• Du côté de chez Pu