Abstract
We obtain order estimates for linear widths of the Besov classes \(B_{p,\theta}^r\) of periodic functions of many variables in the space L q for certain values of the parameters p and q.
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Romanyuk, A.S. Linear Widths of the Besov Classes of Periodic Functions of Many Variables. I. Ukrainian Mathematical Journal 53, 744–761 (2001). https://doi.org/10.1023/A:1012530317130
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DOI: https://doi.org/10.1023/A:1012530317130