A family of extremal subspaces

DOI10.1007/BF01062897zbMath0712.41004MaRDI QIDQ748783

A. V. Kushpel'

Publication date: 1987

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

widthscontinuous linear projectionextremal subspacesKolmogorov n-diametersk-splines

Mathematics Subject Classification ID

Series expansions (e.g., Taylor, Lidstone series, but not Fourier series) (41A58) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Related Items (1)

Approximation of differentiable and analytic functions by splines on the torus

Cites Work

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