Holmes, Richard B.; Kripke, Bernard R. Best approximation by compact operators. (English) Zbl 0228.41005 Math. J., Indiana Univ. 21, 255-263 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 30 Documents MSC: 41A50 Best approximation, Chebyshev systems 41A35 Approximation by operators (in particular, by integral operators) 41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) 47B07 Linear operators defined by compactness properties PDFBibTeX XMLCite \textit{R. B. Holmes} and \textit{B. R. Kripke}, Indiana Univ. Math. J. 21, 255--263 (1971; Zbl 0228.41005) Full Text: DOI