On a class of normaloid operators

DOI10.1007/BF01110797zbMath0216.16703OpenAlexW2150791125MaRDI QIDQ2545978

Vasile I. Istratescu

Publication date: 1972

Published in: Mathematische Zeitschrift (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/171669

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spectrum, resolvent (47A10) Inner product spaces and their generalizations, Hilbert spaces (46C99)

Related Items (3)

An Inequality Concerning the Smallest Disc that Contains the Spectrum of an Operator ⋮ Operators Satisfying certain Growth Conditions ⋮ Approximate unitary equivalence of normaloid type operators

Cites Work

• The numerical range of a normal operator
• Über den numerischen Wertebereich eines Operators
• Remark on a paper of S.K. Berberian
• A property of bounded normal operators in Hilbert space
• On a Class of Operators

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