2019
Том 71
№ 8

All Issues

On exact values of quasiwidths of some classes of functions

Shabozov M. Sh., Vakarchuk S. B.

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Abstract

In the Hilbert space L 22), Δ = [0, 2 π] we establish exact estimates of the Kolmogorov quasiwidths of some classes of periodic functions of two variables whose averaged modules of smoothness of mixed derivatives are majorizable by given functions.

English version (Springer): Ukrainian Mathematical Journal 48 (1996), no. 3, pp 338-346.

Citation Example: Shabozov M. Sh., Vakarchuk S. B. On exact values of quasiwidths of some classes of functions // Ukr. Mat. Zh. - 1996. - 48, № 3. - pp. 301-308.

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