Piecewise Coapproximation and the Whitney Inequality

Piecewise Coapproximation and the Whitney Inequality

All cases of the validity of the piecewise q-monotone analog of the Whitney inequality are clarified. For similar analogs of the Jackson inequality negative results are proved.

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Veröffentlicht in:Journal of approximation theory 2000-08, Vol.105 (2), p.189-210
Hauptverfasser: Pleshakov, M.G., Shatalina, A.V.
Format: Artikel
Sprache:eng
Schlagworte:
coapproximation
polynomial approximation
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Beschreibung
Zusammenfassung:All cases of the validity of the piecewise q-monotone analog of the Whitney inequality are clarified. For similar analogs of the Jackson inequality negative results are proved.
ISSN:0021-9045
1096-0430
DOI:10.1006/jath.2000.3458