ON THE LEAST DEVIATIONS OF THE FUNCTION $ \operatorname{sign} x$ AND ITS PRIMITIVES FROM THE RATIONAL FUNCTIONS IN THE $ L_p$ METRICS, $ 0 < p \leqslant \infty$

DOI10.1070/SM1977V032N01ABEH002313zbMath0392.41005OpenAlexW2092792568MaRDI QIDQ4173754

N. S. Vyacheslavov

Publication date: 1977

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

Full work available at URL: https://doi.org/10.1070/sm1977v032n01abeh002313

zbMATH Keywords

Rational ApproximationFunction Sign XLeast DeviationsLp-Space Metrics

Mathematics Subject Classification ID

Approximation by rational functions (41A20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

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