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On 2×2 positive matrices of τ-measurable operators 关于τ可测算子的2×2正矩阵
4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-45
Bahargul Nurahemet, Myrzagali N. Ospanov
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引用次数: 0
Uncertainty inequalities for weighted spaces of analytic functions on the unit disk 单位圆盘上解析函数加权空间的不确定性不等式
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-20
F. Soltani
{"title":"Uncertainty inequalities for weighted spaces of analytic functions on the unit disk","authors":"F. Soltani","doi":"10.7153/oam-2023-17-20","DOIUrl":"https://doi.org/10.7153/oam-2023-17-20","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71224450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Further new refinements and reverses of real power form for Young-type inequalities via famous constants and applications 通过著名常数和应用对young型不等式实幂形式的进一步改进和反演
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-32
Doan Thi Thuy Van, Duong Quoc Huy
{"title":"Further new refinements and reverses of real power form for Young-type inequalities via famous constants and applications","authors":"Doan Thi Thuy Van, Duong Quoc Huy","doi":"10.7153/oam-2023-17-32","DOIUrl":"https://doi.org/10.7153/oam-2023-17-32","url":null,"abstract":". In this paper, we propose new re fi nements and reverses of real power form for Young-type inequalities, which generalizes the recent inspired results by D. Q. Huy et al. [Linear Al-gebra Appl. 656 (2023), 368-384], and by Y. Ren et al. [J. Inequal. Appl. 2020 (2020), Paper No. 98, 13 p.]. Furthermore, the above re fi nements and reverses are continued to improve via the famous constants consisting of Kantorovich constant and Specht ratio. As applications, we establish operator versions, inequalities for unitarily invariant norms and inequalities for determinants of matrices.","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71225172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A norm inequality for three real matrices 三个实矩阵的范数不等式
4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-54
Fen Wang
{"title":"A norm inequality for three real matrices","authors":"Fen Wang","doi":"10.7153/oam-2023-17-54","DOIUrl":"https://doi.org/10.7153/oam-2023-17-54","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136373432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Some inequalities related to numerical radius and distance from scalar operators in Hilbert spaces 希尔伯特空间中与数值半径和标量算子距离有关的若干不等式
4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-57
Mohamed Chraibi Kaadoud, El Hassan Benabdi, Messaoud Guesba
{"title":"Some inequalities related to numerical radius and distance from scalar operators in Hilbert spaces","authors":"Mohamed Chraibi Kaadoud, El Hassan Benabdi, Messaoud Guesba","doi":"10.7153/oam-2023-17-57","DOIUrl":"https://doi.org/10.7153/oam-2023-17-57","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136373442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The infinite dimensional Perfect-Mirsky conjecture 无限维的完美-米尔斯基猜想
4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-51
Ali Bayati Eshkaftaki, Javad Mashreghi, Mostafa Nasri
{"title":"The infinite dimensional Perfect-Mirsky conjecture","authors":"Ali Bayati Eshkaftaki, Javad Mashreghi, Mostafa Nasri","doi":"10.7153/oam-2023-17-51","DOIUrl":"https://doi.org/10.7153/oam-2023-17-51","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136373733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On coproducts of operator ᵉc-systems 关于算子c-系统的余积
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-30
Alexandros Chatzinikolaou
{"title":"On coproducts of operator ᵉc-systems","authors":"Alexandros Chatzinikolaou","doi":"10.7153/oam-2023-17-30","DOIUrl":"https://doi.org/10.7153/oam-2023-17-30","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71225108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Addendum to: On a reduction procedure for Horn inequalities in finite von~Neumann algebras 有限von~Neumann代数中Horn不等式的约简过程
4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-55
Benoît Collins, Ken Dykema
{"title":"Addendum to: On a reduction procedure for Horn inequalities in finite von~Neumann algebras","authors":"Benoît Collins, Ken Dykema","doi":"10.7153/oam-2023-17-55","DOIUrl":"https://doi.org/10.7153/oam-2023-17-55","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135002614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Approximate equivalence in von Neumann algebras 冯诺依曼代数中的近似等价
4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-01
Qihui Li, Don Hadwin, Wenjing Liu
{"title":"Approximate equivalence in von Neumann algebras","authors":"Qihui Li, Don Hadwin, Wenjing Liu","doi":"10.7153/oam-2023-17-01","DOIUrl":"https://doi.org/10.7153/oam-2023-17-01","url":null,"abstract":"Suppose $mathcal{A}$ is a separable unital ASH C*-algebra, $mathcal{R}$ is a sigma-finite II$_{infty}$ factor von Neumann algebra, and $pi,rho :mathcal{A}rightarrowmathcal{R}$ are unital $ast$-homomorphisms such that, for every $ainmathcal{A}$, the range projections of $pileft( aright) $ and $rholeft( aright) $ are Murray von Neuman equivalent in $mathcal{R}% $. We prove that $pi$ and $rho$ are approximately unitarily equivalent modulo $mathcal{K}_{mathcal{R}}$, where $mathcal{K}_{mathcal{R}}$ is the norm closed ideal generated by the finite projections in $mathcal{R}$. We also prove a very general result concerning approximate equivalence in arbitrary finite von Neumann algebras.","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135181156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Reverse of Fujii-Seo type log-majorization and its application to the Tsallis relative entropies Fujii-Seo型对数多数化的反转及其在Tsallis相对熵中的应用
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2023-01-01 DOI: 10.7153/oam-2023-17-35
Jian-yi Shi, Ying Dai, Jiah ng Xu
{"title":"Reverse of Fujii-Seo type log-majorization and its application to the Tsallis relative entropies","authors":"Jian-yi Shi, Ying Dai, Jiah ng Xu","doi":"10.7153/oam-2023-17-35","DOIUrl":"https://doi.org/10.7153/oam-2023-17-35","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71225184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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