Mathematics Subject Classification 1991

34Lxx Ordinary differential operators, See also {47E05} ( 0 Dok. )

• 34L05 General spectral theory ( 0 Dok. )
• 34L10 Eigenfunction expansions, completeness of eigenfunctions ( 0 Dok. )
• 34L15 Estimation of eigenvalues, upper and lower bounds ( 0 Dok. )
• 34L20 Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions ( 0 Dok. )
• 34L25 Scattering theory ( 0 Dok. )
• 34L30 Nonlinear ordinary differential operators ( 0 Dok. )
• 34L40 Particular operators (Dirac, one-dimensional Schrodinger, etc.) ( 0 Dok. )
• 34L99 None of the above but in this section ( 0 Dok. )