Abstract
We obtain exact order estimates for the best M-term trigonometric approximations of the classes B Ω p,θ of functions of many variables in the space L q, 1 < p < q < ∞, q > 2.
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Stasyuk, S.A. Best M-Term Trigonometric Approximations of the Classes B Ω p,θ of Functions of Many Variables. Ukrainian Mathematical Journal 54, 470–486 (2002). https://doi.org/10.1023/A:1020521702177
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DOI: https://doi.org/10.1023/A:1020521702177