Essential Spectrum for a Hilbert Space Operator

DOI10.2307/1995731zbMath0229.47003OpenAlexW4239848729MaRDI QIDQ5637450

Richard Bouldin

Publication date: 1972

Full work available at URL: https://doi.org/10.2307/1995731

Mathematics Subject Classification ID

Spectrum, resolvent (47A10)

Related Items

Parameter counting for singular monopoles on \(\mathbb{R}^3\), Best approximation of a nonnormal operator in the trace norm, The Weyl Essential Spectrum, On the Weyl Spectrum of a Hilbert Space Operator

Cites Work

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• Perturbation theory for nullity, deficiency and other quantities of linear operators
• On the essential spectrum of an arbitrary operator. I
• On the essential spectrum of symmetrizable operators
• Weyl's theorem for nonnormal operators
• An extension of Weyl's theorem to a class of not necessarily normal operators
• The basic propositions on defect numbers, root numbers and indices of linear operators
• Semi-Inner-Product Spaces
• Invariance of the essential spectrum
• On a Class of Operators
• Symmetrizable linear transformations