Abstract
We obtain order estimates for the approximation of the classes \(B_{p,\theta }^r \) of periodic functions of many variables in the space L q by using operators of orthogonal projection and linear operators satisfying certain conditions.
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REFERENCES
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Romanyuk, A.S. Estimates for Approximation Characteristics of the Besov Classes \(B_{p,\theta }^r \) of Periodic Functions of Many Variables in the Space Lq. II. Ukrainian Mathematical Journal 53, 1703–1711 (2001). https://doi.org/10.1023/A:1015200128349
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DOI: https://doi.org/10.1023/A:1015200128349