Similarity of a Linear Strict Set-Contraction and the Radius of the Essential Spectrum

DOI10.2307/2046134zbMath0651.47001OpenAlexW4250217569MaRDI QIDQ3796249

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Publication date: 1987

Full work available at URL: https://doi.org/10.2307/2046134

zbMATH Keywords

essential spectrumessential spectral radiusstrict set-contractionmeasure of nonompactness

Mathematics Subject Classification ID

Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09) Spectrum, resolvent (47A10) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37)

Cites Work

• Unnamed Item
• On the spectral theory of elliptic differential operators. I
• Remarks on set-contractions and condensing maps
• On models for linear operators
• The radius of the essential spectrum

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