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scientific article; zbMATH DE number 7523177 - MaRDI portal

scientific article; zbMATH DE number 7523177

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Publication:5074165

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MaRDI QIDQ5074165

Manfred Möller

Publication date: 9 May 2022

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

zbMATH Keywords

multiplicity eigenvalues eigenvectors differential operators two point boundary conditions generalized eigenvectors complete sequence minimal sequence Birkhoff regularity

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05) General theory of ordinary differential operators (47E05) Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators (34L10) Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions for ordinary differential operators (34L20) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)

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