Sets of Essentially Unitary Operators

DOI10.2307/1999523zbMath0535.47006OpenAlexW4252598663MaRDI QIDQ3319276

Ridgley Lange

Publication date: 1984

Full work available at URL: https://doi.org/10.2307/1999523

zbMATH Keywords

quasisimilarCalkin algebrapath-connectedweak contractionsnontrivial hyperinvariant subspaceCaley transformationcompact perturbation of the bilateral shiftessentially unitary operatorsInvariant subspace theoremsSchatten p - class

Mathematics Subject Classification ID

Invariant subspaces of linear operators (47A15) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37) (Semi-) Fredholm operators; index theories (47A53) Structure theory of linear operators (47A65) Canonical models for contractions and nonselfadjoint linear operators (47A45)

Related Items (4)

Polynomials and lemniscates of indefiniteness ⋮ Linear maps preserving essentially numerical range and essentially unitary operator ⋮ Some Trace Class Commutators of Trace Zero ⋮ Invariant subspaces of operator algebras

Cites Work

• Operators that are points of spectral continuity
• The single valued extension property on a Banach space
• Spectral decompositions on Banach spaces
• The variation of spectra
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