Extremal points for some sets of projections on C(I)

DOI10.1016/0021-9045(83)90141-7zbMath0512.41029OpenAlexW2064766036MaRDI QIDQ1839383

William A. Light

Publication date: 1983

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

Full work available at URL: https://doi.org/10.1016/0021-9045(83)90141-7

zbMATH Keywords

extreme pointscharacterizationLebesgue functioninterpolating projections

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
• Proof of the conjectures of Bernstein and Erdős concerning the optimal nodes for polynomial interpolation
• On the existence of extremal projections
• On the existence and characterization of minimal projections.
• On the Minimal Property of the Fourier Projection

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