A short proof that every weak Tchebycheff system may be transformed into a weak Markov system

DOI10.1016/0021-9045(91)90089-SzbMath0744.41028OpenAlexW1995725480MaRDI QIDQ1174315

Richard A. Zalik

Publication date: 25 June 1992

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

Full work available at URL: https://doi.org/10.1016/0021-9045(91)90089-s

zbMATH Keywords

weak Chebyshev systemweak Markov system\(WT\)-system

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Spline approximation (41A15) Markov processes (60J99)

Related Items (1)

Strictly totally positive systems

Cites Work

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• Discontinuous Cebysev systems
• On transforming a Tchebycheff system into a complete Tchebycheff system
• Subspaces of weak and oriented Tchebyshev-spaces

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