The New Approximation Effects of Weyl-Nagy Kernels

• Date: 2021
• Main Authors: Сорич, Віктор, Сорич, Ніна
• Format: Article
• Language: Ukrainian
• Published: Кам'янець-Подільський національний університет імені Івана Огієнка 2021
• Online Access: http://mcm-math.kpnu.edu.ua/article/view/251178
• Journal Title: Mathematical and computer modelling. Series: Physical and mathematical sciences

In a uniform metric, the problem of obtaining the exact values of the best approximations on classes 2π-periodic functions, r-th (r > 0) derivatives of which are in a single sphere of space of significantly limited functions, there was decided in 1936 by J. Favar [1]. Such classes ca...