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SOME EXTREMAL PROBLEMS ON CLASSES OF FUNCTIONS DETERMINED BY LINEAR DIFFERENTIAL OPERATORS - MaRDI portal

SOME EXTREMAL PROBLEMS ON CLASSES OF FUNCTIONS DETERMINED BY LINEAR DIFFERENTIAL OPERATORS

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Publication:3353551

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DOI10.1070/SM1991V068N01ABEH003610zbMath0729.42001MaRDI QIDQ3353551

Nguyen Thi Thieu Hoa

Publication date: 1990

Published in: Mathematics of the USSR-Sbornik (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/72108

zbMATH Keywords

numerical methods linear differential operators extremal problems approximation theory Rolle theorem quadrature formulae inequalities for derivatives periodic functions extrapolation inequalities

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximate quadratures (41A55) Numerical quadrature and cubature formulas (65D32) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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