Spatial numerical ranges of elements of subalgebras of \(C_0(X)\)

DOI10.1155/S0161171200003148zbMath0970.46036OpenAlexW2080989866MaRDI QIDQ1580309

Sin-Ei Takahasi

Publication date: 16 October 2001

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

Full work available at URL: https://eudml.org/doc/48918

zbMATH Keywords

Banach algebraconvex hullspatial numerical range

Mathematics Subject Classification ID

Banach algebras of continuous functions, function algebras (46J10)

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