Functions with strictly decreasing distances from increasing Tchebycheff subspaces

DOI10.1016/0021-9045(72)90067-6zbMath0239.41012OpenAlexW1964415059MaRDI QIDQ2553587

Dan Amir, Zvi Ziegler

Publication date: 1972

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

Full work available at URL: https://doi.org/10.1016/0021-9045(72)90067-6

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by arbitrary linear expressions (41A45)

Related Items (4)

Best local approximation and generalized convexity ⋮ Characterization of generalized convex functions by best \(L^2\)- approximations ⋮ Characterization of generalized convex functions by their best approximation in sign-monotone norms ⋮ Alternants for generalized convex functions

Cites Work

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• Generalized absolutely monotone functions
• On the characterization of measures of the cone dual to a generalized convexity cone
• Generalized convexity cones
• On generalized absolutely monotone functions
• Generalized convexity cones and their duals

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