Abstract:
We have found asymptotic equalities for the least upper bounds of the deviations of Riesz sums on the Hölder classes WrHω, r is a nonnegative integer, ω(t) is an arbitrary convex modulus of continuity.
Citation:
A. I. Stepanets, “Approximation by Riesz sums of periodic functions of Hölder classes”, Mat. Zametki, 21:3 (1977), 341–354; Math. Notes, 21:3 (1977), 190–198