Approximating Characteristics of the Analogs of Besov Classes with Logarithmic Smoothness
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We obtain the exact-order estimates of some approximating characteristics for the analogs of Besov classes of periodic functions of several variables (with logarithmic smoothness).
KeywordsBesov Space Dirichlet Kernel Bilinear Approximation Trigonometric Approximation Kolmogorov Width
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- 4.B. S. Kashin and A. A. Saakyan, Orthogonal Series [in Russian], AFTs, Moscow (1999).Google Scholar
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