Bounded Local Resolvents for Operators with Single-Valued Extension Property

被引:0
|
作者
Benharkakia, S. E. [1 ]
Daoui, A. [1 ]
Zerouali, E. H. [2 ]
机构
[1] Univ Hassan II Casablanca, Fac Sci Ain Chock, Dept Math & Informat, BP 5366, Casablanca, Morocco
[2] Univ Mohammed V Rabat, Fac Sci, BP 1014, Rabat, Morocco
关键词
(SVEP); bounded local resolvent function; localizable spectrum; SPECTRUM;
D O I
10.1007/s00009-017-0944-4
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let T be a bounded operator with (SVEP) on its localizable spectrum sigma(loc) (T). We show that for every open subset U of a sigma(loc) (T), there exists a unit vector x whose local spectrum coincides with the closure of U, and such that its local resolvent function is bounded. This result answers positively to an open question stated by several authors, and extends the both cases of operators with trivial divisible subspace and operators whose point spectrum has empty interior.
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页数:8
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