scientific article
zbMath0543.47011MaRDI QIDQ3331766
Publication date: 1983
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
spectral projectionordinary differential equationsdiscrete spectral operatoroperator bundlesunconditional Schauder decompositionexpansion in eigenvectors and principal vectors
Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Perturbation theory of linear operators (47A55) Nonlinear spectral theory, nonlinear eigenvalue problems (47J10) Spectral operators, decomposable operators, well-bounded operators, etc. (47B40) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)
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