The correctness problem for best approximations by trigonometric polynomials in the class \(W^r_0H[\omega ]_c\)

DOI10.1007/BF01147696zbMath0419.42002OpenAlexW2061819258MaRDI QIDQ1132314

András Kroó

Publication date: 1978

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

Full work available at URL: https://doi.org/10.1007/bf01147696

zbMATH Keywords

best uniform approximationapproximations by trigonometric polynomials

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10) Sobolev (and similar kinds of) spaces of functions of discrete variables (46E39)

Related Items (1)

On the convergence of Polya's algorithm

Cites Work

• Some theorems on Cebysev approximation
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