CONSTRUCTING BEST APPROXIMATIONS ON A JORDAN CURVE

Authors
BRIDGES D WANG YC
Citation
D. Bridges et Yc. Wang, CONSTRUCTING BEST APPROXIMATIONS ON A JORDAN CURVE, Journal of approximation theory (Print), 94(2), 1998, pp. 222-234
Citations number
12
Categorie Soggetti
Mathematics,Mathematics
Journal title
Journal of approximation theory (Print) → ACNP
ISSN journal
00219045
Volume
94
Issue
2
Year of publication
1998
Pages
222 - 234
Database
ISI
SICI code
0021-9045(1998)94:2<222:CBAOAJ>2.0.ZU;2-E
Abstract
It is shown, within Bishop's constructive mathematics, that if a point is sufficiently close to a differentiable Jordan curve with suitably restricted curvature, then that point has a unique closest point on th e curve. (C) 1998 Academic Press.