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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Vydáno v:	Applied mathematics letters Ročník 21; číslo 4; s. 383 - 387
Hlavní autoři:	Peng, Lihui, Li, Chong
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Oxford Elsevier Ltd 01.04.2008 Elsevier
Témata:	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