Estimates of the best approximations and approximations of Fourier sums of classes of convolutions of periodic functions of not high smoothness in integral metrics

zbMath1313.42021arXiv1404.5656MaRDI QIDQ2933491

T. A. Stepanyuk

Publication date: 10 December 2014

Full work available at URL: https://arxiv.org/abs/1404.5656

zbMATH Keywords

trigonometric polynomialsbest approximationFourier sums

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50)

Related Items (1)

Order estimates for the best orthogonal trigonometric approximations of the classes of convolutions of periodic functions of low smoothness

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