Actual problems of the theory of approximations in metrics of discrete spaces on the sets of summable periodic and almost periodic functions

• Date: 2025
• Main Authors: Serdyuk, A., Shidlich, A., Сердюк, Анатолій, Шидліч, Андрій, Shidlich, Andrii
• Format: Article
• Language: Ukrainian
• Published: Institute of Mathematics, NAS of Ukraine 2025
• Online Access: https://umj.imath.kiev.ua/index.php/umj/article/view/8525
• Journal Title: Ukrains’kyi Matematychnyi Zhurnal

UDC 517.5 We present a review  highlighting the main aspects of the development of research related to the solution of extreme problems in the theory of approximation in the spaces ${\mathcal S}^p$ and $B{\mathcal S}^p$ of periodic and almost periodic summable functions, respectively, w...