scientific article

zbMath0627.34024MaRDI QIDQ3762877

Hendrik S. V. de Snoo, Aalt Dijksma, Heinz K. Langer

Publication date: 1987

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

Mathematics Subject Classification ID

Weyl theory and its generalizations for ordinary differential equations (34B20) General theory of ordinary differential operators (47E05) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Ordinary differential operators (34L99)

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Sturm--Liouville operators with indefinite weight functions and eigenvalue depending boundary conditions ⋮ Eigenvalues of discrete Sturm-Liouville problems with eigenparameter dependent boundary conditions ⋮ Spectral properties of a fourth-order eigenvalue problem with quadratic spectral parameters in a boundary condition ⋮ The theory of V-Bézoutians and its applications ⋮ Spectral properties of discrete Sturm-Liouville problems with two squared eigenparameter-dependent boundary conditions ⋮ An analytic characterization of the eigenvalues of self-adjoint extensions ⋮ Recovery of the \(m\)-function from spectral data for generalized Sturm-Liouville problems ⋮ Elliptic boundary value problems with \(\lambda \)-dependent boundary conditions ⋮ Basis properties in \({L}_{p}\) of root functions of Sturm-Liouville problem with spectral parameter-dependent boundary conditions ⋮ Spectral analysis of selfadjoint elliptic differential operators, Dirichlet-to-Neumann maps, and abstract Weyl functions ⋮ Kamke Problems. Properties of the Eigenfunctions ⋮ Eigenvalue accumulation for singular Sturm-Liouville problems nonlinear in the spectral parameter ⋮ Boundary eigenvalue problems for differential equations \(N\eta=\lambda P\eta\) with \(\lambda\)-polynomial boundary conditions ⋮ Eigenvalues of a linear fourth-order differential operator with squared spectral parameter in a boundary condition ⋮ Eigenvalues of discrete Sturm-Liouville problems with nonlinear eigenparameter dependent boundary conditions ⋮ Indefinite boundary eigenvalue problems in a Pontrjagin space setting ⋮ Sturm--Liouville problems with boundary conditions rationally dependent on the eigenparameter. II ⋮ On Some Class of Self-adjoint Boundary Value Problems with the Spectral Parameter in the Equations and the Boundary Conditions

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