On fractional differences, moduli of smoothness and best trigonometric approximation

zbMath0649.42004MaRDI QIDQ1105799

Paulina Pych-Taberska

Publication date: 1986

Published in: Functiones et Approximatio. Commentarii Mathematici (Search for Journal in Brave)

zbMATH Keywords

modulus of smoothnessDenjoy-integrable functions

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50)

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