On the spectral properties of a fourth-order self-adjoint operator

DOI10.1134/s0012266123020027OpenAlexW4376481114MaRDI QIDQ6113823

Dmitry M. Polyakov

Publication date: 11 July 2023

Published in: Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0012266123020027

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05) 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) Boundary eigenvalue problems for ordinary differential equations (34B09)

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• Isospectral Sets for Fourth-Order Ordinary Differential Operators
• Third-order operators with three-point conditions associated with Boussinesq's equation
• Spectrum of a linear fourth‐order differential operator and its applications

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