Approximation of differentiation operators by bounded linear operators in Lebesgue spaces on the axis and related problems in the spaces of \((p,q)\)-multipliers and their predual spaces
DOI10.15826/UMJ.2023.2.001zbMATH Open1542.41007MaRDI QIDQ6573622
Publication date: 17 July 2024
Published in: Ural mathematical journal (Search for Journal in Brave)
Kolmogorov inequalitydifferentiation operatorStechkin's problem\((p, q)\)-multiplierpredual space for space of \((p, q)\)-multipliers
Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by operators (in particular, by integral operators) (41A35) Best constants in approximation theory (41A44)
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