Abstract
Let T be a quasidiagonal operator on a separable Hilbert space. It is shown that there exists a sequence of operators {Tn*} such that dim(C*(Tn)) < ∞ and ∥T-Tn∥ → 0 if and only if C*(T) is exact.
Original language | English (US) |
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Pages (from-to) | 360-365 |
Number of pages | 6 |
Journal | Journal of Functional Analysis |
Volume | 186 |
Issue number | 2 |
DOIs | |
State | Published - Nov 10 2001 |
All Science Journal Classification (ASJC) codes
- Analysis