Invariant and hyperinvariant subspaces for amenable operators
Invariant and hyperinvariant subspaces for amenable operators
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适合算子的不变和超不变子空间
DOI:
10.7900/jot.2010jul04.1904
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发表时间:
2010-08
影响因子:
0.8
通讯作者:
武玉婧
中科院分区:
文献类型:
--
作者:
石洛宜;武玉婧
There has been a long-standing conjecture in Banach algebra that every amenable operator is similar to a normal operator. In this paper, we study the structure of amenable operators on Hilbert spaces. At first, we show that the conjecture is equivalent to every non-scalar amenable operator has a non-trivial hyperinvariant subspace and equivalent to every amenable operator is similar to a reducible operator and has a non-trivial invariant subspace; and then, we give two decompositions for amenable operators, which supporting the conjecture.
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