Approximation of polynomials from Walsh tail spaces
Volume 275 / 2024
Studia Mathematica 275 (2024), 285-296
MSC: Primary 42C10; Secondary 41A17, 60E15
DOI: 10.4064/sm231123-4-1
Published online: 11 April 2024
Abstract
We derive various bounds for the $L_p$-distance of polynomials on the hypercube from Walsh tail spaces, extending some of Oleszkiewicz’s results (2017) for Rademacher sums.
