{"title":"Spectral and topological properties of linear operators on a Hilbert space","authors":"Salah Mecheri, Aissa Nasli Bakir","doi":"10.55730/1300-0098.3426","DOIUrl":null,"url":null,"abstract":": 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","PeriodicalId":51206,"journal":{"name":"Turkish Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.8000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Turkish Journal of Mathematics","FirstCategoryId":"100","ListUrlMain":"https://doi.org/10.55730/1300-0098.3426","RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATHEMATICS","Score":null,"Total":0}
引用次数: 0
Abstract
: 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
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.
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