Einige Eigenschaften schwacher Tschebyscheff-Systeme

DOI10.1016/0021-9045(79)90024-8zbMath0427.41020OpenAlexW2050626112MaRDI QIDQ1136290

Roland Zielke

Publication date: 1979

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

Full work available at URL: https://doi.org/10.1016/0021-9045(79)90024-8

zbMATH Keywords

uniform approximationweak Chebyshev systems

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation by other special function classes (41A30)

Related Items

Weak Tchebyshev-spaces and generalizations of a theorem by Krein, Continuous selections for the metric projection and alternation, Alternants for generalized convex functions

Cites Work

• Eigenschaften von schwach tschebyscheffschen Räumen
• On transforming a Tchebyshev-system into a Markov-system
• Equioscillation under nonuniqueness in the approximation of continuous functions
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