A Canonical Trace Class Approximant

DOI10.2307/2045539zbMath0534.41016OpenAlexW4251191862MaRDI QIDQ3317527

Joseph D. Ward, David A. Legg

Publication date: 1985

Full work available at URL: https://doi.org/10.2307/2045539

zbMATH Keywords

best approximantselect trace class approximant

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Uniqueness of best approximation (41A52)

Cites Work

• Natural choice of \(L_ 1-\)approximants
• Approximation with restricted spectra
• Favard's Solution is the Limit of W k,p -Splines
• Positive Approximants
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