ON THE DEPENDENCE OF THE PROPERTIES OF THE SET OF POINTS OF DISCONTINUITY OF A FUNCTION ON THE DEGREE OF ITS POLYNOMIAL HAUSDORFF APPROXIMATIONS

DOI10.1070/SM1990V067N02ABEH002090zbMath0754.42003OpenAlexW2023375969MaRDI QIDQ4710716

Alexander Petukhov

Publication date: 25 June 1992

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

Full work available at URL: https://eudml.org/doc/72088

zbMATH Keywords

set of discontinuity pointscharacteristic\(\sigma\)-equiporositybest polynomial Hausdorff approximation

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15)

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