scientific article; zbMATH DE number 5591802
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Publication:5191820
zbMath1199.42006MaRDI QIDQ5191820
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Publication date: 8 August 2009
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Approximation by polynomials (41A10) Approximation by other special function classes (41A30) Trigonometric polynomials, inequalities, extremal problems (42A05)
Related Items (4)
On the best polynomial approximation in the space \(L_2\) and widths of some classes of functions ⋮ Jackson-Stechkin type inequalities for special moduli of continuity and widths of function classes in the space \(L_2\) ⋮ Jackson-type inequalities with generalized modulus of continuity and exact values of the \(n\)-widths for the classes of \((\psi,\beta)\)-differentiable functions in \(L_2\). III ⋮ Jackson-type inequalities for the special moduli of continuity on the entire real axis and the exact values of mean \(\nu\)-widths for the classes of functions in the space \(L_2(\mathbb R)\)
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