Hilbert空间上线性算子的谱和拓扑性质

IF 0.8 4区数学 Q2 MATHEMATICS

Turkish Journal of Mathematics Pub Date : 2023-01-01 DOI:10.55730/1300-0098.3426

Salah Mecheri, Aissa Nasli Bakir

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引用次数: 0

摘要

：我们在Hilbert空间H上引入了一类（M，k）-拟-＊-超常算子。这个类扩展了*-超自然算子和k-拟-*-超自然运算符的类。复Hilbert空间上的算子T称为（M，k）-拟-＊-超常，如果存在M>0，使得

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Spectral and topological properties of linear operators on a Hilbert space

: We introduce the class of ( M, k ) -quasi- ∗ -paranormal operators on a Hilbert space H . This class extends the classes of ∗ -paranormal and k -quasi- ∗ -paranormal operators. An operator T on a complex Hilbert space is called ( M, k ) -quasi- ∗ -paranormal if there exists M > 0 such that

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来源期刊

Turkish Journal of Mathematics 数学-数学

CiteScore

1.80

自引率

10.00%

发文量

161

审稿时长

6-12 weeks

期刊介绍： The Turkish Journal of Mathematics is published electronically 6 times a year by the Scientific and Technological Research Council of Turkey (TÜBİTAK) and accepts English-language original research manuscripts in the field of mathematics. Contribution is open to researchers of all nationalities.