Quasi-interpolation on the 2-sphere using radial polynomials

Citation
Ak. Kushpel et J. Levesley, Quasi-interpolation on the 2-sphere using radial polynomials, J APPROX TH, 102(1), 2000, pp. 141-154
Citations number
14
Categorie Soggetti
Mathematics
Journal title
JOURNAL OF APPROXIMATION THEORY
ISSN journal
00219045 → ACNP
Volume
102
Issue
1
Year of publication
2000
Pages
141 - 154
Database
ISI
SICI code
0021-9045(200001)102:1<141:QOT2UR>2.0.ZU;2-M
Abstract
In this paper we consider a simple method of radial quasi-interpolation by polynomials on S-2 and present rates of convergence for this method on a wi de range Or smooth functions. (C) 2000 Academic Press.