The best approximation to the operator of the second mixed derivative

DOI10.1070/im1998v062n01ABEH000184zbMath0928.41021MaRDI QIDQ4229484

Oleg A. Timoshin

Publication date: 8 April 1999

Published in: Izvestiya: Mathematics (Search for Journal in Brave)

zbMATH Keywords

best approximationessentially bounded measurable functions

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Inequalities involving derivatives and differential and integral operators (26D10)

Related Items (1)

Estimation of the uniform norm of one-dimensional Riesz potential of the partial derivative of a function with bounded Laplacian

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