scientific article; zbMATH DE number 3565632

zbMath0363.47011MaRDI QIDQ4137673

Yu. Sh. Abramov

Publication date: 1977

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Mathematics Subject Classification ID

Linear operators belonging to operator ideals (nuclear, (p)-summing, in the Schatten-von Neumann classes, etc.) (47B10) Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Spectrum, resolvent (47A10) General theory of ordinary differential operators (47E05) Equations and inequalities involving linear operators, with vector unknowns (47A50) Linear operators on spaces with an indefinite metric (47B50) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)

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