Abstract
We investigate a pointwise approximation of functions of the class H ω (ω(t) is a modulus of continuity convex upward) by absolutely continuous functions with variable smoothness.
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Motornyi, V.P. On One-Sided Approximation of Functions with Regard for the Location of a Point on an Interval. Ukrainian Mathematical Journal 54, 819–824 (2002). https://doi.org/10.1023/A:1021639631487
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DOI: https://doi.org/10.1023/A:1021639631487