Theq-numerical ranges of normal operators

DOI10.1080/03081080500156888zbMath1077.47006OpenAlexW2043230053MaRDI QIDQ5317719

Hiroshi Nakazato, Mao-Ting Chien

Publication date: 21 September 2005

Published in: Linear and Multilinear Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03081080500156888

zbMATH Keywords

normal operators\(q\)-numerical rangecircumscribed circlesDavis--Wielandt shells

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Numerical range, numerical radius (47A12)

Related Items (5)

The \(q\)-numerical range of a reducible matrix via a normal operator ⋮ The \(q\)-numerical radius of weighted shift operators with periodic weights ⋮ Tracial bounds for multilinear Schur multipliers ⋮ The boundary of theq-numerical range of a reducible matrix ⋮ Circumscribed sphere of a convex polyhedron

Cites Work

• The constrained bilinear form and the C-numerical range
• Convexity of the joint numerical range: Topological and differential geometric viewpoints.
• The numerical range of a normal operator
• Some Results on the q-Numerical
• The boundary of the range of a constrained sesquilinear form
• Davis-Wielandt shell and \(q\)-numerical range

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