Numerical ranges of model operators and Clark measures

DOI10.1016/j.jmaa.2020.124281OpenAlexW3033884804MaRDI QIDQ2195187

László Kérchy

Publication date: 8 September 2020

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2020.124281

zbMATH Keywords

numerical rangeCauchy transformrigidityinner functionmodel operatorClark measure

Mathematics Subject Classification ID

Operator theory (47-XX) Functions of a complex variable (30-XX)

Related Items (1)

Rigidity of the numerical range of truncated shifts with isolated singularity on the unit circle

Cites Work

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• The numerical range of a contraction with finite defect numbers
• Determination of inner functions by their value sets on the circle
• Numerical range and Poncelet property.
• Multipliers between invariant subspaces of the backward shift
• One dimensional perturbations of restricted shifts
• Harmonic analysis of operators on Hilbert space
• Introduction to Model Spaces and their Operators
• Multipliers between model spaces
• An Introduction to Operators on the Hardy-Hilbert Space
• Numerical range ofs(φ)
• Uniqueness of the numerical range of truncated shifts
• One-dimensional perturbations of unitaries that are quasiaffine transforms of singular unitaries, and multipliers between model spaces
• Algebraic properties of truncated Toeplitz operators

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