A sharp constant in the Jackson inequality in \(L^ 2\) in the case of a small argument of the modulus of continuity

Publication date: 1989

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

Mathematics Subject Classification ID

Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Best constants in approximation theory (41A44)

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