Positive elements and the \(B^ *\) condition

DOI10.1007/BF01163350zbMath0611.46061MaRDI QIDQ1087797

B. George

Publication date: 1986

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

Full work available at URL: https://eudml.org/doc/173764

zbMATH Keywords

spectral radius formulapositive elements of a \(B^ *\)-algebraspectral permanencesquare root lemmatopological norm additivity

Mathematics Subject Classification ID

General theory of (C^*)-algebras (46L05)

Related Items (2)

Almost Exactness in Normed Spaces ⋮ Spectral permanence for the Moore-Penrose inverse

Cites Work

• Fredholm and Invertible n-Tuples of Operators. The Deformation Problem
• On pairs of commuting operators
• The Spectral Theorem for Normal Operators
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