On characterization of best approximation with certain constraints

DOI10.1006/JATH.1997.3130zbMath0908.41020OpenAlexW2025585443MaRDI QIDQ1266085

Shu-Sheng Xu

Publication date: 8 March 1999

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jath.1997.3130

zbMATH Keywords

characterization of the best approximation in \(C[a,b\) and \(L_p[a,b]\) spaces]

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50)

Cites Work

• A characterization of best approximations with restricted ranges
• An alternation theory for copositive approximation
• Best copositive approximation
• Approximation by functions having restricted ranges. III
• Best restricted range approximation
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