On simultaneous best \(L_ 1\) approximations in C[-1,1]

DOI10.1016/0021-9045(84)90069-8zbMath0533.41018OpenAlexW1994650809MaRDI QIDQ789634

Ying Guang Shi

Publication date: 1984

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

Full work available at URL: https://doi.org/10.1016/0021-9045(84)90069-8

zbMATH Keywords

\(L_ 1\) normRivlin problem

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Simultaneous approximation (41A28)

Cites Work

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• On simultaneous best approximations in \(C^1[a,b\)]
• Best \(L^1\) approximation by weak Chebyshev systems and the uniqueness of interpolating perfect splines
• On a problem of Rivlin in \(L_ 1 \)approximation

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