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2. Best approximations of periodic functions of several variables from the classes B.

Author

Stasyuk, S.

Subjects
*APPROXIMATION theory, *PERIODIC functions, *FOURIER series, *POLYNOMIALS, *CONTINUITY, *EXPONENTIAL functions, *TRIGONOMETRIC functions
Abstract

We obtain order-sharp estimates of best approximations for the classes B of periodic functions of several variables by trigonometric polynomials whose spectra are generated by the level surfaces of the function Ω( t). [ABSTRACT FROM AUTHOR]

Published
2010
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