The closure of unitary orbit for strongly irreducible operators in a class of nest algebras |
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Authors: | Xiaoman Chen Chunlan Jiang |
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Institution: | (1) Institute of Math. of Fudan University, 200433 Shanghai, P.R.C.;(2) Dept. of Math. of Jilin University, 130023 Changchun, P.R.C. |
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Abstract: | A linear operatorT L(H) is called a strongly irreducible, if there is no non-trivial idempotent linear operator commuting withT. In this paper, denote the set of all strongly irreducible operators by (SI). Let
be a nest with infinite dimensional atoms,
be the nest algebra associated with
and
be the closure of
, then the following result is proved.The projection partially supported by Chinese Natural Science Foundation and Fund of Laboratory of Nonlinear Mathematical Modeling and Methods in Fudan University in Shanghai P.R.C. |
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Keywords: | AMS Classification Numbers" target="_blank">AMS Classification Numbers 47D25 47A58 |
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