Erratum to: Sharp Constant in Jackson’s Inequality with Modulus of Smoothness for Uniform Approximations of Periodic Functions
- Authors: Pichugov S.A.1
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Affiliations:
- Dnepropetrovsk National University of Railway Transport
- Issue: Vol 104, No 5-6 (2018)
- Pages: 944-944
- Section: Erratum
- URL: https://journal-vniispk.ru/0001-4346/article/view/150503
- DOI: https://doi.org/10.1134/S0001434618110421
- ID: 150503
Cite item
Abstract
My paper contains an error. Namely, inequality (9) does not hold. For example, for k = 2,
I do not know whether the error in the argument can be corrected and whether the main result of the paper is valid.
I wish to express gratitude to O. L. Vinogradov for pointing out the error.
About the authors
S. A. Pichugov
Dnepropetrovsk National University of Railway Transport
Author for correspondence.
Email: pichugov@i.ua
Ukraine, Dnepr, 49010
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