Nonlinear Kolmogorov widths (Q1280612)

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scientific article; zbMATH DE number 1262487
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Nonlinear Kolmogorov widths
scientific article; zbMATH DE number 1262487

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    Nonlinear Kolmogorov widths (English)
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    15 March 1999
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    The author generalizes the classical Kolmogorov width and gives lower estimates of this new width in terms of the entropy numbers. Furthermore, he applies the stated inequalities for estimating the best \(m\)-term trigonometric approximations of multivariate functions.
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