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

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.

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Bibliographic Details
Date:	2001
Main Authors:	Popov, P. A., Попов, П. О.
Format:	Article
Language:	Ukrainian English
Published:	Institute of Mathematics, NAS of Ukraine 2001
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/4313
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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