34Lxx Ordinary differential operators
See also {47E05}
- 34L05 General spectral theory
- 34L10 Eigenfunction expansions, completeness of eigenfunctions
- 34L15 Estimation of eigenvalues, upper and lower bounds
- 34L20 Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions
- 34L25 Scattering theory
- 34L30 Nonlinear ordinary differential operators
- 34L40 Particular operators (Dirac, one-dimensional Schrodinger, etc.)
- 34L99 None of the above but in this section
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