Minimal H-sets and unicity of best approximations

DOI10.1016/0021-9045(73)90037-3zbMath0282.41008OpenAlexW2020715770MaRDI QIDQ1843925

Lee W. Johnson

Publication date: 1973

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

Full work available at URL: https://doi.org/10.1016/0021-9045(73)90037-3

Mathematics Subject Classification ID

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

Related Items

On first-degree multivariate polynomial approximation, Uniform approximation by generalised polynomials, A geometric characterization of H-sets

Cites Work

• Über Extremalsignaturen linearer Polynome in n Veränderlichen
• Einige abstrakte Begriffe in der numerischen Mathematik (Anwendungen der Halbordnung).(Some abstract notions in the numerical mathematic. (Applications et semiorder))
• On minimal H-sets
• Some theorems on Cebysev approximation
• A Unified Approach to Certain Problems of Approximation and Minimization