Berg, I. David; Davidson, Kenneth R. Almost commuting matrices and a quantitative version of the Brown- Douglas-Fillmore theorem. (English) Zbl 0731.47009 Acta Math. 166, No. 1-2, 121-161 (1991). Reviewer: T.Nakazi (Sapporo) MSC: 47A55 47B15 47A53 47A66 47A20 PDFBibTeX XMLCite \textit{I. D. Berg} and \textit{K. R. Davidson}, Acta Math. 166, No. 1--2, 121--161 (1991; Zbl 0731.47009) Full Text: DOI
Berg, I. David; Davidson, Kenneth R. Almost commuting matrices and the Brown-Douglas-Fillmore theorem. (English) Zbl 0644.47015 Bull. Am. Math. Soc., New Ser. 16, 97-100 (1987). Reviewer: B.V.Loginov MSC: 47A53 47A55 47B15 47A60 PDFBibTeX XMLCite \textit{I. D. Berg} and \textit{K. R. Davidson}, Bull. Am. Math. Soc., New Ser. 16, 97--100 (1987; Zbl 0644.47015) Full Text: DOI
Davidson, Kenneth R. Almost commuting Hermitian matrices. (English) Zbl 0563.15010 Math. Scand. 56, 222-240 (1985). MSC: 15A27 15A60 47A55 47B47 PDFBibTeX XMLCite \textit{K. R. Davidson}, Math. Scand. 56, 222--240 (1985; Zbl 0563.15010) Full Text: DOI EuDML