Uniqueness of simultaneous approximations in continuous function spaces

The present work is concerned with the uniqueness problem of best simultaneous approximation. An n -dimensional l 1 - or l ∞ -simultaneous unicity space is characterized in terms of Property A.

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Vydané v:Applied mathematics letters Ročník 21; číslo 4; s. 383 - 387
Hlavní autori: Peng, Lihui, Li, Chong
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Oxford Elsevier Ltd 01.04.2008
Elsevier
Predmet:
Continuous function spaces
Exact sciences and technology
Mathematical analysis
Mathematics
Numerical analysis
Numerical analysis. Scientific computation
Property A
Real functions
Sciences and techniques of general use
Simultaneous approximation
Unicity space
Uniqueness
Simultaneous approximation
Property A
Unicity space
Uniqueness
Continuous function spaces
Approximation
Applied mathematics
Best approximation
Continuous function
ISSN:0893-9659, 1873-5452
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Popis
Shrnutí:The present work is concerned with the uniqueness problem of best simultaneous approximation. An n -dimensional l 1 - or l ∞ -simultaneous unicity space is characterized in terms of Property A.
ISSN:0893-9659
1873-5452
DOI:10.1016/j.aml.2007.05.009