The Spectrum of a Linear Operator Under Perturbation by Certain Compact Operators

DOI10.2307/2037455zbMath0198.17402OpenAlexW4237415872MaRDI QIDQ5596518

K. K. Warner

Publication date: 1969

Full work available at URL: https://doi.org/10.2307/2037455

zbMATH Keywords

functional analysis

Related Items (1)

Ascent, Descent, and Commuting Perturbations

Cites Work

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• On the spectral theory of elliptic differential operators. I
• Theorems on ascent, descent, nullity and defect of linear operators
• Operators with finite ascent and descent
• Properties of linear transformations preserved under addition of a completely continuous transformation
• The basic propositions on defect numbers, root numbers and indices of linear operators

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