Brief Communications
The Jackson–Stechkin inequality in the space $C$ with nonclassic modulus of continuity
S. E. Nohrin email , V. T. Shevaldin email N.N. Krasovskii Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg
Keywords:
trigonometric polynomial, best approximation,
modulus of continuity, Jackson–Stechkin inequality, Jackson type kernel.
Received: 24.11.2024Revised: 11.03.2025
Published : 11.08.2025
Citation:
S. E. Nohrin, V. T. Shevaldin, “The Jackson–Stechkin inequality in the space $C$ with nonclassic modulus of continuity”, Mat. Zametki , 118 :2 (2025), 325–329 ; Math. Notes , 118 :2 (2025), 409–414
Linking options:
https://www.mathnet.ru/eng/mzm14574 https://doi.org/10.4213/mzm14574 https://www.mathnet.ru/eng/mzm/v118/i2/p325
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Abstract page: 216 Full-text PDF : 4 Russian version HTML: 6 References: 30 First page: 22