Between the unitary and similarity orbits of normal operators

DOI10.2140/PJM.1993.159.299zbMath0792.47025OpenAlexW1989473124MaRDI QIDQ1314993

Laurent W. Marcoux, Paul S. Guinand

Publication date: 1 March 1994

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

Full work available at URL: https://doi.org/10.2140/pjm.1993.159.299

zbMATH Keywords

compactnormalunilateralnorm closureunitary and similarity orbits of normal operators

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Structure theory of linear operators (47A65)

Related Items (5)

Similarity invariants of essentially normal Cowen-Douglas operators and Chern polynomials ⋮ Five Hilbert space problems in operator algebras ⋮ Around the closure of the set of commutators of idempotents in \(\mathcal{B}(\mathcal{H})\): biquasitriangularity and factorisation ⋮ The closures of \((\mathcal U + \mathcal K)\)-orbits of essentially normal triangular operator models ⋮ On the \(({\mathcal U}+{\mathcal K})\)-orbits of certain weighted shifts

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