A characterization of Chebyshev spaces

DOI10.3792/PJAA.62.375zbMath0614.41028OpenAlexW1969268789MaRDI QIDQ1820344

Kazuaki Kitahara

Publication date: 1986

Published in: Proceedings of the Japan Academy. Series A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3792/pjaa.62.375

zbMATH Keywords

Chebyshev spaceunique best minimax approximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Cites Work

• Weak Chebyshev spaces and best L//1-approximation
• On the number of zeros of functions in a weak Tchebyshev-Space
• Equioscillation under nonuniqueness in the approximation of continuous functions

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