This article is cited in 3 papers

On functions with bounded $\mathbf n$th differences

Yu. V. Kryakin


Abstract: Modified Whitney constants for approximation by cubic polynomials are calculated exactly. New estimates are obtained of Whitney constants for approximating $C(I^N)$-functions by quasi-polynomials.

MSC: 46E30, 41A44, 41A63

Received: 27.04.1995

DOI: 10.4213/im117

 English version: Izvestiya: Mathematics, 1997, 61:2, 331–346

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