| 34-XX |
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|
Ordinary differential equations |
|
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 |
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34L16 |
Numerical approximation of eigenvalues and of other parts of the spectrum |
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|
34L20 |
Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions |
|
|
34L25 |
Scattering theory |
|
|
34L30 |
Nonlinear ordinary differential operators |
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|
34L40 |
Particular operators (Dirac, one-dimensional Schrödinger, etc.) |
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|
34L99 |
None of the above, but in this section |
