An Analog of the Jackson Inequality for Coconvex Approximation of Periodic Functions

Authors

  • P. A. Popov

Abstract

We prove an analog of the Jackson inequality for a coconvex approximation of continuous periodic functions with the second modulus of continuity and a constant that depends on the location of the points at which a function changes its convexity.

Published

25.07.2001

Issue

Section

Research articles

How to Cite

Popov, P. A. “An Analog of the Jackson Inequality for Coconvex Approximation of Periodic Functions”. Ukrains’kyi Matematychnyi Zhurnal, vol. 53, no. 7, July 2001, pp. 919-28, https://umj.imath.kiev.ua/index.php/umj/article/view/4313.