On the operators with numerical range in an ellipse

DOI10.1016/j.jfa.2024.110556MaRDI QIDQ6585639

Zinaida A. Lykova, N. J. Young, Jim Agler

Publication date: 12 August 2024

Published in: Journal of Functional Analysis (Search for Journal in Brave)

zbMATH Keywords

numerical rangedilation theoremsB. and F. Delyon familyDouglas-Paulsen operators

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Special classes of linear operators (47B99)

Cites Work

• The hyperbolic geometry of the symmetrized bidisc
• The annulus as a K-spectral set
• Operator theory and the Oka extension theorem
• Intersections of several disks of the Riemann sphere as \(K\)-spectral sets
• Model theory and linear extreme points in the numerical radius unit ball
• Generalization of von Neumann's spectral sets and integral representation of operators
• Numerical Ranges of Hilbert Space Operators
• Operator Analysis
• Some mapping theorems for the numerical range
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Related Items (1)

Function theory in the bfd-norm on an elliptical region

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