Best Approximation by Normal and Conormal Sets

The aim of the present paper is to develop a theory of best approximation by elements of so-called normal sets and their complements—conormal sets—in the non-negative orthant RI+ of a finite-dimensional coordinate space RI endowed with the max-norm. A normal (respectively, conormal) set arises as th...

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Veröffentlicht in:	Journal of approximation theory 2000-12, Vol.107 (2), p.212-243
Hauptverfasser:	Rubinov, A.M., Singer, I.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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