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The Russo-Dye Theorem in Nest Algebras |
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| Authors: | Kenneth R. Davidson |
| Affiliation: | Department of Pure Mathematics, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 |
| Abstract: | It is shown that the convex hull of the unitary elements of a nest algebra contains the whole unit ball if and only if both  and  are either zero or infinite rank. |
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