TY - JOUR T1 - The Strong Approximation of Functions by Fourier-Vilenkin Series in Uniform and Hölder Metrics JO - Analysis in Theory and Applications VL - 1 SP - 1 EP - 12 PY - 2017 DA - 2017/01 SN - 31 DO - http://doi.org/10.4208/ata.2015.v31.n1.1 UR - https://global-sci.org/intro/article_detail/ata/4618.html KW - Vilenkin systems, strong approximation, generalized monotonicity. AB -

We will study the strong approximation by Fourier-Vilenkin series using matrices with some general monotone condition. The strong Vallee-Poussin, which means of Fourier-Vilenkin series is also investigated.