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

DOI10.4153/CJM-1978-096-4zbMath0396.47015MaRDI QIDQ4179420

I. David Berg

Publication date: 1978

Published in: Canadian Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

Weighted ShiftNormal OperatorsIndex TheoryNorm Approximation To Normal OperatorsSelf-Commutator

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Perturbation theory of linear operators (47A55) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37)

Related Items (5)

How well can an n\(\times n\) matrix be approximated by reducible ones? ⋮ Complex symmetric generators of \(C^*\)-algebras ⋮ On the Distance Between Unitary Orbits of Weighted Shifts ⋮ Almost commuting matrices and a quantitative version of the Brown- Douglas-Fillmore theorem ⋮ The distance between unitary orbits of normal elements in the Calkin algebra

This page was built for publication: Index Theory for Perturbations of Direct Sums of Normal Operators and Weighted Shifts