Lower bounds for Kolmogorov widths of classes of convolutions with Neumann kernel

zbMath1313.41056arXiv1312.6175MaRDI QIDQ2933473

V. V. Bodenchuk

Publication date: 10 December 2014

Full work available at URL: https://arxiv.org/abs/1312.6175

zbMATH Keywords

trigonometric polynomialsNeumann kernelKolmogorov widthsbest uniform approximation

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Spline approximation (41A15) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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