Spatial numerical ranges of elements of Banach algebras

DOI10.1155/S0161171289000785zbMath0719.46025MaRDI QIDQ2640105

A. K. Gaur, Taqdir Husain

Publication date: 1989

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/46565

zbMATH Keywords

spectraregular norm of a normed algebraspatial numerical range of elements of Banach algebras without identity

Mathematics Subject Classification ID

Banach algebras of continuous functions, function algebras (46J10) Banach algebras of differentiable or analytic functions, (H^p)-spaces (46J15) General theory of topological algebras (46H05)

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