Extensions of endpoint equivalent and periodic Tchebycheff systems

DOI10.1016/0021-9045(90)90013-GzbMath0736.41031OpenAlexW1989204294MaRDI QIDQ1813785

Richard A. Zalik, Theodore Kilgore

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(90)90013-g

zbMATH Keywords

Chebyshev systemendpoint equivalent function

Mathematics Subject Classification ID

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

Cites Work

• Unnamed Item
• Relative differentiability and integral representation of a class of weak Markov systems
• Discontinuous Cebysev systems
• Existence of Tchebycheff extensions
• On transforming a Tchebycheff system into a complete Tchebycheff system
• Extension of periodic Tchebycheff systems
• On Tschebycheffian spline functions
• Integral representation of Tchebycheff systems
• Integral representation and embedding of weak Markov systems
• On transforming a Tchebyshev-system into a Markov-system
• Smoothness Properties of Generalized Convex Functions

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