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Best trigonometric approximations for some classes of periodic functions of several variables in the uniform metric

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We study best M-term trigonometric approximations and best orthogonal trigonometric approximations for the classes B r pθ and W r pα of periodic functions of several variables in the uniform metric.

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  1. Mathematics Institute, National Academy of Sciences of Ukraine, Kiev

    A. S. Romanyuk

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  1. A. S. Romanyuk
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Correspondence to A. S. Romanyuk.

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Romanyuk, A.S. Best trigonometric approximations for some classes of periodic functions of several variables in the uniform metric. Math Notes 82, 216–228 (2007). https://doi.org/10.1134/S0001434607070279

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  • DOI: https://doi.org/10.1134/S0001434607070279

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