Enviar artigo por via de e-mail An Exact Inequality of Jackson-Chernykh Type for Spline Approximations of Periodic Functions
- Autores: Vinogradov O.1
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Afiliações:
- St. Petersburg State University
- Edição: Volume 60, Nº 3 (2019)
- Páginas: 412-428
- Seção: Article
- URL: https://journals.rcsi.science/0037-4466/article/view/172398
- DOI: https://doi.org/10.1134/S0037446619030066
- ID: 172398
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Resumo
We establish the inequality with exact constant for spline approximations of periodic functions which is similar to the Jackson-Chernykh inequality for approximations by trigonometric polynomials. We study the question of the least step in the obtained inequality.
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Sobre autores
O. Vinogradov
St. Petersburg State University
Autor responsável pela correspondência
Email: olvin@math.spbu.ru
Rússia, St. Petersburg
