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保留算子积最大数值范围的映射

IF 0.6 4区 数学 Q3 MATHEMATICS
Quaestiones Mathematicae Pub Date : 2023-11-30 DOI:10.2989/16073606.2023.2276751
K. Dhifaoui, M. Mabrouk
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引用次数: 2

摘要

设一个复希尔伯特空间，用上所有线性有界算子的代数表示。对于任意，用V0(T)表示它的最大数值范围。我们证明它是一个满射映射，使得…
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Maps preserving maximal numerical range of operator products
Let be a complex Hilbert space and denote by the algebra of all linear bounded operators on . For any , denote by V0(T) its maximal numerical range. We prove that if is a surjective map such tha...
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来源期刊
Quaestiones Mathematicae
Quaestiones Mathematicae 数学-数学
CiteScore
1.70
自引率
0.00%
发文量
121
审稿时长
>12 weeks
期刊介绍： Quaestiones Mathematicae is devoted to research articles from a wide range of mathematical areas. Longer expository papers of exceptional quality are also considered. Published in English, the journal receives contributions from authors around the globe and serves as an important reference source for anyone interested in mathematics.
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