A PROBLEM OF APPROXIMATION USING MULTIVARIATE POLYNOMIALS

Citation
A. Pinkus et B. Wajnryb, A PROBLEM OF APPROXIMATION USING MULTIVARIATE POLYNOMIALS, Russian Mathematical Surveys, 50(2), 1995, pp. 319-340
Citations number
12
Categorie Soggetti
Mathematics, General",Mathematics
ISSN journal
00360279
Volume
50
Issue
2
Year of publication
1995
Pages
319 - 340
Database
ISI
SICI code
0036-0279(1995)50:2<319:APOAUM>2.0.ZU;2-Q
Abstract
Let g be a fixed polynomial on R(d). We consider the problem of charac terizing the span of {f(h(.))} for all f is an element of C(R) as h va ries over all shifts and/or dilations of g.