scientific article

zbMath0734.34070MaRDI QIDQ3361191

Reinhard Mennicken, Manfred Möller, Heinz K. Langer

Publication date: 1990

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

operatorSpectral properties\(\lambda\)-linear spectral problemdefinitizable in a Krejn space

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05)

Related Items (16)

Singular Sturm-Liouville problems whose coefficients depend rationally on the eigenvalue param\-eter ⋮ Locally Definitizable Operators: The Local Structure of the Spectrum ⋮ Approximation of the numerical range of polynomial operator matrices ⋮ Computing the S-numerical ranges of differential operators ⋮ Approximation of the quadratic numerical range of block operator matrices ⋮ Computing the \(q\)-\textit{numerical range} of differential operators ⋮ Eigenvalue accumulation for singular Sturm-Liouville problems nonlinear in the spectral parameter ⋮ Essential spectra of coupled systems of differential equations and applications in hydrodynamics ⋮ On finite rank perturbations of definitizable operators ⋮ An elliptic boundary value problem depending nonlinearly upon the eigenvalue parameter ⋮ Spectral points of type \(\pi_{+}\) and \(\pi_{-}\) of operator-valued functions taking values in the set of unbounded operators ⋮ A note on Riesz bases of eigenvectors of certain holomorphic operator-functions ⋮ A spectral theory for a \(\lambda\)-rational Sturm-Liouville problem ⋮ Spectral enclosures for a class of block operator matrices ⋮ A numerical investigation of the \(c\)-\textit{numerical ranges} of differential operators ⋮ A polynomial approach to the spectral corrections for Sturm-Liouville problems

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