Local Spectral Theory of Linear Operators RS and SR

Local Spectral Theory of Linear Operators RS and SR
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DOI:
10.1007/s00020-005-1375-3
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发表时间:
2006
影响因子:
0.8
通讯作者:
C. Benhida;E. Zerouali
C. Benhida;E. Zerouali
中科院分区:
数学3区
文献类型:
--
作者:
C. Benhida;E. Zerouali

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本文研究了线性算子srsandsr的局部谱性质之间的关系。我们发现rsandsr具有相同的局域光谱特性(vep, (β), (δ)和可分解性)。我们还证明,当且仅当ris是子标量时,ris是子标量。我们重新获得了关于Aluthge变换光谱性质的一些已知结果。
In this paper, we study the relation between local spectral properties of the linear operatorsRSandSR. We show thatRSandSRshare the same local spectral propertiesSVEP, (β), (δ) and decomposability. We also show thatRSis subscalar if and only ifSRis subscalar. We recapture some known results on spectral properties of Aluthge transforms.