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Mathematical Sciences Classification System

34Lxx - Ordinary differential operators
[See also 47E05]

• 11
  34L05
  General spectral theory
• 8
  34L10
  Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions
• 6
  34L15
  Eigenvalues, estimation of eigenvalues, upper and lower bounds
• 2
  34L16
  Numerical approximation of eigenvalues and of other parts of the spectrum
• 2
  34L20
  Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions
• 4
  34L25
  Scattering theory, inverse scattering
• 1
  34L30
  Nonlinear ordinary differential operators
• 2
  34L40
  Particular operators (Dirac, one-dimensional Schrödinger, etc.)
• 34L99
  None of the above, but in this section