The group of invertible elements in a Banach algebra

DOI10.4064/CM-47-1-97-100zbMath0517.46035OpenAlexW963640466MaRDI QIDQ3665707

Vern I. Paulsen

Publication date: 1982

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/cm-47-1-97-100

zbMATH Keywords

winding numberhomotopyholomorphic functional calculusprincipal componentindex groupunreduced suspension

Mathematics Subject Classification ID

General theory of (C^*)-algebras (46L05) General theory of topological algebras (46H05) Functional calculus in topological algebras (46H30)

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