On the Divergence of Trigonometric Fourier Series in Classes φ(L) Close to L

被引:0
作者
Gabdullin, M. R. [1 ]
机构
[1] Russian Acad Sci, Krasovskii Inst Math & Mech, Ural Branch, Ekaterinburg 620990, Russia
基金
俄罗斯科学基金会;
关键词
trigonometric Fourier series; classes phi(L);
D O I
10.1134/S0081543817050091
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We show the unimprovability of a theorem on sufficient convergence conditions for the trigonometric Fourier series of a function in classes phi(L) in the case when the class phi( L) is "close" to L.
引用
收藏
页码:S81 / S87
页数:7
相关论文
共 4 条
  • [1] [Anonymous], 1925, Fundam. Math, DOI DOI 10.4064/FM-7-1-24-29
  • [2] Bari N.K., 1961, TRIGONOMETRIC SERIES
  • [3] ULYANOV PL, 1972, USPEKHI MAT NAUK, V0027, P00003
  • [4] Zygmund A., 1968, TRIGONOMETRIC SERIES