Optimal subspaces for n-widths of p-ellipsoids

DOI10.1016/0021-9045(82)90114-9zbMath0552.41016OpenAlexW1972644044MaRDI QIDQ801494

Boris S. Mityagin, Joseph S. Torok

Publication date: 1982

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(82)90114-9

zbMATH Keywords

Hilbert spaces

Mathematics Subject Classification ID

Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Cites Work

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• Remarks on variational characterizations of eigenvalues and \(n\)-width problems
• Spline spaces are optimal for \(L^2\) n-width
• Über die beste Annäherung von Funktionen einer gegebenen Funktionenklasse
• DIAMETERS OF SETS IN FUNCTION SPACES AND THE THEORY OF BEST APPROXIMATIONS
• APPROXIMATE DIMENSION AND BASES IN NUCLEAR SPACES