34Lxx
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34Lxx Ordinary differential operators [See also 47E05] {Info & Stats}
- 34L05 General spectral theory
- 34L10
Eigenfunction expansions, completeness of eigenfunctionsEigenfunctions, eigenfunction expansions, completeness of eigenfunctions - 34L15
Estimation of eigenvalues, upper and lower boundsEigenvalues, estimation of eigenvalues, upper and lower bounds - 34L16 Numerical approximation of eigenvalues and of other parts of the spectrum
- 34L20 Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions
- 34L25 Scattering theory, inverse scattering
- 34L30 Nonlinear ordinary differential operators
- 34L40 Particular operators (Dirac, one-dimensional Schrödinger, etc.)
- 34L99 None of the above, but in this section
