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Brief Communications

Estimates of the Fourier Widths of Classes of Nikolskii–Besov and Lizorkin–Triebel Types of Periodic Functions of Several Variables

D. B. Bazarkhanov

Institute of Mathematics and Mechanics, Kazakhstan National Academy of Sciences

Keywords: periodic function of several variables, function class of Nikolskii–Besov type, function class of Lizorkin–Triebel type, Fourier width, Sobolev space.

Received: 06.05.2009

DOI: 10.4213/mzm8592

 English version: Mathematical Notes, 2010, 87:2, 281–284

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