Best m-ter m trigono metric approxi mation for the classes $ B_{p,{{\uptheta }}}^r $ of functions of low s moothness |
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| Authors: | S A Stasyuk |
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| Institution: | 1.Institute of Mathematics,Ukrainian National Academy of Sciences,Kyiv,Ukraine |
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| Abstract: | We obtain an exact-order estimate for the best m-term trigonometric approximation of the Besov classes
Bp,\uptheta r B_{p,{{\uptheta }}}^r of periodic functions of many variables of low smoothness in the space L
q
, 1 < p ≤ 2 < q < ∞. |
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| Keywords: | |
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