Trace formula for nuclear perturbations of discrete nonselfadjoint operators.
Milinković, Darko (1991)
Publications de l'Institut Mathématique. Nouvelle Série
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Displaying similar documents to “Generalized Eigenvector Expansion for Weakly Perturbated Discrete Operators”
Trace formula for nuclear perturbations of discrete nonselfadjoint operators.
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A non elliptic spectral problem related to the analysis of superconducting micro-strip lines
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ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
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This paper is devoted to the spectral analysis of a non elliptic operator , deriving from the study of superconducting micro-strip lines. Once a sufficient condition for the self-adjointness of operator has been derived, we determine its continuous spectrum. Then, we show that is unbounded from below and that it has a sequence of negative eigenvalues tending to . Using the Min-Max principle, a characterization of its positive eigenvalues is given. Thanks to this characterization,...
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Electronic Journal of Differential Equations (EJDE) [electronic only]
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-perturbations of leading coefficients of elliptic operators: Asymptotics of eigenvalues.
Kozlov, Vladimir (2006)
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