New Characterization for Nonlinear Weighted Best Simultaneous Approximation
Author(s) -
Xian-Fa Luo,
Delin Wu,
Jinsu He
Publication year - 2009
Publication title -
international journal of mathematics and mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 39
eISSN - 1687-0425
pISSN - 0161-1712
DOI - 10.1155/2009/194876
Subject(s) - mathematics , characterization (materials science) , class (philosophy) , nonlinear system , point (geometry) , linear approximation , pure mathematics , discrete mathematics , computer science , artificial intelligence , materials science , physics , geometry , quantum mechanics , nanotechnology
This paper is concerned with the problem of a wide class of weighted best simultaneous approximation in normed linear spaces, and it establishes a new characterization result for the class ofapproximation by virtue of the notion of simultaneous regular point
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