A characterization of Tchebycheff systems

DOI10.1016/0021-9045(78)90047-3zbMath0383.41023OpenAlexW2061947637MaRDI QIDQ1248774

Richard A. Zalik

Publication date: 1978

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

Full work available at URL: https://doi.org/10.1016/0021-9045(78)90047-3

Mathematics Subject Classification ID

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

Related Items (6)

Properties of functions generalized convex with respect to a WT-system ⋮ Strictly totally positive systems ⋮ Splicing of Markov and weak Markov systems ⋮ Degeneracy in WT-spaces ⋮ Some hereditary properties of WT-systems ⋮ WT measure vector spaces

Cites Work

• Weak Chebyshev sets and splines
• Existence of Tchebycheff extensions
• Integral representation of Tchebycheff systems
• On transforming a Tchebyshev-system into a Markov-system
• Unnamed Item

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