On copositive approximation in some classical spaces of sequences

Aref Kamal

doi:10.1007/bf02835238

On copositive approximation in some classical spaces of sequences

Aref Kamal^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper the author writes a simple characterization for the best copositive approximation in c₁ the space of convergent sequences, by elements of finite dimensional Chebyshev subspaces, and shows that it is unique.

Original language	English
Pages (from-to)	136-144
Number of pages	9
Journal	Approximation Theory and Its Applications
Volume	19
Issue number	2
DOIs	https://doi.org/10.1007/bf02835238
Publication status	Published - 2003
Externally published	Yes

Keywords

Best copositive approximation
Changing of sign
Chebyshev subspaces

ASJC Scopus subject areas

Mathematics(all)

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10.1007/bf02835238

Cite this

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On copositive approximation in some classical spaces of sequences

Abstract

Keywords

ASJC Scopus subject areas

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