Formeln für Pole der Resolvente und den Radius eines wesentlichen Spektrums. (Formulas for poles of the resolvent and the radius of an essential spectrum.)

DOI10.1007/BF01171336zbMath0585.47002MaRDI QIDQ1071232

Hans-Dieter Wacker

Publication date: 1985

Published in: Manuscripta Mathematica (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/155112

zbMATH Keywords

radius of the essential spectrummeromorphicoperators with rational resolventproduct of two commuting meromorphic operators is againproduct of two commuting meromorphic operators is again meromorphic

Mathematics Subject Classification ID

Spectrum, resolvent (47A10)

Cites Work

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• A formula for the eigenvalues of a compact operator
• s-Numbers of operators in Banach spaces
• On Meromorphic Operators, I
• Ascent, Descent, and Commuting Perturbations
• Spectral Theory. I Convergence to Projections
• The radius of the essential spectrum

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