Direct and converse theorems for King operators

For the sequence of King operators, we establish a direct approximation theorem via the first order Ditzian-Totik modulus of smoothness, and a converse approximation theorem of Berens-Lorentz-type.

Bibliographic Details
Main Author: Finta Zoltán
Format: Article
Language:English
Published: Sciendo 2020-07-01
Series:Acta Universitatis Sapientiae: Mathematica
Subjects:
Online Access:https://doi.org/10.2478/ausm-2020-0005