{"title":"On inequalities for A-Berezin radius of operators","authors":"Mehmet Gürdal, Hamdullah Başaran","doi":"10.1007/s13370-024-01186-5","DOIUrl":null,"url":null,"abstract":"<div><p>We compute certain inequalities for <i>B</i>-Berezin radius of <span>\\(2\\times 2\\)</span> operator matrices in the study that generalize and refine earlier inequalities. Furthermore, we construct <i>A</i>-Berezin radius inequalities of operators in <span>\\(\\mathbb {B}_{A,\\Upsilon }(\\mathcal {H})\\)</span> that improve on the current inequalities in Huban (Turk J Math 46(1):189–206, 2022). In addition, we establish <i>A</i>-Berezin radius bounds for sum of product of operators in <span>\\(\\mathbb {B}_{A,\\Upsilon } (\\mathcal {H}),\\)</span> which improve on the previous bounds.</p></div>","PeriodicalId":46107,"journal":{"name":"Afrika Matematika","volume":"35 2","pages":""},"PeriodicalIF":0.9000,"publicationDate":"2024-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Afrika Matematika","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1007/s13370-024-01186-5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATHEMATICS","Score":null,"Total":0}
引用次数: 0
Abstract
We compute certain inequalities for B-Berezin radius of \(2\times 2\) operator matrices in the study that generalize and refine earlier inequalities. Furthermore, we construct A-Berezin radius inequalities of operators in \(\mathbb {B}_{A,\Upsilon }(\mathcal {H})\) that improve on the current inequalities in Huban (Turk J Math 46(1):189–206, 2022). In addition, we establish A-Berezin radius bounds for sum of product of operators in \(\mathbb {B}_{A,\Upsilon } (\mathcal {H}),\) which improve on the previous bounds.