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《数学物理学报:B辑英文版》
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2010年4期
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ON REFLEXIVITY OF HYPONORMAL AND WEIGHTED SHIFT OPERATORS
ON REFLEXIVITY OF HYPONORMAL AND WEIGHTED SHIFT OPERATORS
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摘要
由一个基本证明,我们使用Conway和Dudziak的结果看那A是否是一个hyponormal操作符与光谱半径r(A)以便它的光谱是关上的磁盘{z:|z|r(A)}当时,A是反射的。用这结果,我们在移动操作员的reflexivity上给Bercovici,Foias,和Pearcy的结果的一个简单证明。另外,可颠倒的双边的加权的移动的每力量是反射的,这被显示出。
DOI
n490gnp74y/889683
作者
M.Faghih Ahmadi;K.Hedayatian
机构地区
不详
出处
《数学物理学报:B辑英文版》
2010年4期
关键词
加权移位算子
自反
正规性
简单证明
谱半径
可逆
分类
[理学][基础数学]
出版日期
2010年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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孙顺华.
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来源期刊
数学物理学报:B辑英文版
2010年4期
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相关关键词
加权移位算子
自反
正规性
简单证明
谱半径
可逆
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