Olsen, Catherine L. Extreme points and finite rank operators in the set of compact approximants. (English) Zbl 0301.47023 Indiana Univ. Math. J. 24, 409-416 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 47B06 Riesz operators; eigenvalue distributions; approximation numbers, \(s\)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators 47L05 Linear spaces of operators 47C05 Linear operators in algebras 41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) PDFBibTeX XMLCite \textit{C. L. Olsen}, Indiana Univ. Math. J. 24, 409--416 (1974; Zbl 0301.47023) Full Text: DOI