Lebesgue-type inequalities for de la Vallee Poussin sums and their interpolation analogues on the sets $(\psi,\bar{\beta})$-differentiable functions

zbMath1313.41047arXiv1308.4419MaRDI QIDQ2877183

V. A. Voitovych, A. P. Musienko

Publication date: 21 August 2014

Full work available at URL: https://arxiv.org/abs/1308.4419

zbMATH Keywords

interpolationtrigonometric polynomialsde la Vallée Poussin sums

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by other special function classes (41A30)

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