On exact values of quasiwidths of some classes of functions

Authors

  • S. B. Vakarchuk Днепропетр. ун-т им. А. Нобеля
  • M. Sh. Shabozov Ин-т математики АН Республики Таджикистан, Душанбе

Abstract

In the Hilbert space L 2(Δ2), 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.

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Published

25.03.1996

Issue

Vol. 48 No. 3 (1996)

Section

Research articles

How to Cite

Vakarchuk, S. B., and M. Sh. Shabozov. “On Exact Values of Quasiwidths of Some Classes of Functions”. Ukrains’kyi Matematychnyi Zhurnal, vol. 48, no. 3, Mar. 1996, pp. 301-8, https://umj.imath.kiev.ua/index.php/umj/article/view/5327.