The numerical range of \(C^*_\psi C_\varphi\) and \(C_\varphi C^*_\psi\)

DOI10.1515/conop-2020-0108OpenAlexW3138528416MaRDI QIDQ2024997

Michael G. Dabkowski, Alan D. Wiggins, John H. Clifford

Publication date: 11 May 2021

Published in: Concrete Operators (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/conop-2020-0108

zbMATH Keywords

numerical rangeinner functioncomposition operatorweighted shift

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Linear composition operators (47B33)

Cites Work

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