Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4607260 | Journal of Approximation Theory | 2013 | 14 Pages |
Abstract
A new, elementary proof is given for the fact that on a centrally symmetric convex curve on the plane every continuous even function can be uniformly approximated by homogeneous polynomials. The theorem has been proven before by Benko and Kroó, and independently by Varjú using the theory of weighted potentials. In higher dimension the new method recaptures a theorem of Kroó and Szabados, which is the strongest result for homogeneous polynomial approximation on smooth convex surfaces.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
Vilmos Totik,