On the punctured neighbourhood theorem

DOI10.1007/BF02571396zbMath0810.46041OpenAlexW2023159821MaRDI QIDQ1177423

Robin E. Harte

Publication date: 26 June 1992

Published in: Mathematische Zeitschrift (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/174277

zbMATH Keywords

\(a\)-inessential elementsinessential idealspunctured neighbourhood theorem

Mathematics Subject Classification ID

General theory of topological algebras (46H05)

Related Items (1)

ON INESSENTIAL IDEALS IN BANACH ALGEBRAS

Cites Work

• Local behavior of the spectrum near algebraic elements
• PERTURBATION BY INESSENTIAL AND RIESZ ELEMENTS
• The Exponential Spectrum in Banach Algebras
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