2023/07/08 by Nguyen Van Phu, Van Phu, Nguyen, Dieu, Nguyen Quang
Mathematics · #Approximation Theory and Sequence Spaces
paper · pdf · doi:10.48550/arxiv.2307.03957
In this paper, we first study subextensions in the classes Fm(Ω) and Em,χ(Ω). These results are then used to study approximation in the classes Fm(Ω) and Em,χ(Ω).