Upper bounds of best one-sided approximations of the classes \(W^rL_\Psi\) in the metric of \(L\)

DOI10.1007/BF01780973zbMath0419.42003MaRDI QIDQ1132315

A. A. Ligun, V. G. Doronin

Publication date: 1978

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

zbMATH Keywords

trigonometric polynomialsbest one-sided approximationssplines of minimum deficiency

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10) Spline approximation (41A15)

Cites Work

• Unnamed Item
• Upper bounds for the best onesided approximation by splines of the classes \(W^rL^1\)
• On one-sided approximation by trigonometrical polynomials
• Some Extensions of a Theorem of Hardy, Littlewood and Pólya and Their Applications

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