The distance between unitary orbits of normal elements in the Calkin algebra

DOI10.1017/S0308210500025944zbMath0569.47027OpenAlexW2320532410MaRDI QIDQ3687268

Kenneth R. Davidson

Publication date: 1984

Published in: Proceedings of the Royal Society of Edinburgh: Section A Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0308210500025944

zbMATH Keywords

normal operators on Hilbert spaceunitary orbits of normal elements of the Calkin algebra

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Linear operators in (C^*)- or von Neumann algebras (47C15)

Related Items (5)

Closed unitary and similarity orbits of normal operators in purely infinite \(C^\ast\)-algebras ⋮ Closed convex hulls of unitary orbits in \(C^{\ast}\)-algebras of real rank zero ⋮ Similarity orbits in the Calkin algebra ⋮ On the Distance Between Unitary Orbits of Weighted Shifts ⋮ Distance between unitary orbits of normal elements in simple \(C^\ast\)-algebras of real rank zero

Cites Work

• Unnamed Item
• Index Theory for Perturbations of Direct Sums of Normal Operators and Weighted Shifts

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