Structure of weak Descartes systems

DOI10.1016/0021-9045(88)90090-1zbMath0714.41014OpenAlexW1997550370MaRDI QIDQ750784

D. Zwick

Publication date: 1988

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

Full work available at URL: https://doi.org/10.1016/0021-9045(88)90090-1

zbMATH Keywords

weak Chebyshev systemweak Descartes system

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Spline approximation (41A15)

Cites Work

• Degeneracy in WT-spaces
• On complete Tchebycheff-systems
• Characterization of Chebyshev approximation by weak Markoff systems
• An Improvement Theorem for Descartes Systems
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