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Uniform strong unicity for rational approximation

✍ Scribed by Myron S. Henry; Darrell Schmidt; John J. Swetits


Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
734 KB
Volume
33
Category
Article
ISSN
0021-9045

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πŸ“œ SIMILAR VOLUMES


Strong Unicity for Monotone Approximatio
✍ W.S. Yang; C. Li πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 283 KB

This paper gives a counterexample that the strong unicity fails for best monotone approximation by reciprocals of polynomials and establishes the strong unicity of order \(1 / 2\) for some class of functions. 1994 Academic Press, Inc.

Uniform rational approximation with oscu
✍ A.L. Perrie πŸ“‚ Article πŸ“… 1970 πŸ› Elsevier Science 🌐 English βš– 673 KB

The purpose of this paper is to extend several results in the theory of generalized rational approximation. Let X be a compact space and for f ~ C(X) define Ilfll ~ max{Jf(x)l : x E X}. Suppose that P and Q are two finite-dimensional subspaces of C(X). Then, in generalized rational approximation, o