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On a Stević-Sharma type operator from Q_K (p,q) spaces to Bloch-type spaces 关于从Q_K (p,q)空间到Bloch-type空间的Stević-Sharma类型运算符
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-43
Zhi ao Guo, Xianf ng Zhao
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引用次数: 2
Atomic lattices of subspaces of an arbitrary vector space and associated operator algebras 任意向量空间子空间的原子格及相关算子代数
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-73
D. Hadwin, K. Harrison
{"title":"Atomic lattices of subspaces of an arbitrary vector space and associated operator algebras","authors":"D. Hadwin, K. Harrison","doi":"10.7153/oam-2022-16-73","DOIUrl":"https://doi.org/10.7153/oam-2022-16-73","url":null,"abstract":". We study a class of completely distributive, commutative, lattices of subspaces of an arbitrary vector space, and associated operator algebras. Our results are compared with corresponding results for commutative lattices of closed subspaces of a Hilbert space and associated algebras of bounded linear operators.","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71224007","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
Unitary, self-adjoint and ᵊ5-symmetric weighted composition operators on Fock-Sobolev spaces Fock-Sobolev空间上的幺正、自伴随和ᵊ5对称加权复合算子
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-74
Ren-yu Chen, Zi-cong Yang, Ze‐hua Zhou
{"title":"Unitary, self-adjoint and ᵊ5-symmetric weighted composition operators on Fock-Sobolev spaces","authors":"Ren-yu Chen, Zi-cong Yang, Ze‐hua Zhou","doi":"10.7153/oam-2022-16-74","DOIUrl":"https://doi.org/10.7153/oam-2022-16-74","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71224022","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 an inequality conjectured by Besenyei and Petz 关于贝森耶伊和佩茨推测的不平等
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-23
Ayca Ileri, Selçuk Demir
{"title":"On an inequality conjectured by Besenyei and Petz","authors":"Ayca Ileri, Selçuk Demir","doi":"10.7153/oam-2022-16-23","DOIUrl":"https://doi.org/10.7153/oam-2022-16-23","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71222959","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 the spectrum of complex symmetric Toeplitz operators 复对称Toeplitz算子的谱
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-08
Marcos S. Ferreira
{"title":"On the spectrum of complex symmetric Toeplitz operators","authors":"Marcos S. Ferreira","doi":"10.7153/oam-2022-16-08","DOIUrl":"https://doi.org/10.7153/oam-2022-16-08","url":null,"abstract":"In this paper we focus on the spectrum of Toeplitz operators Tφ on the Hardy space H 2 of the unit disk D when φ is not continuous and especially when Tφ is a complex symmetric operator. Moreover, we show a necessary condition for Tφ to be complex symmetric, for φ belongs to subalgebra H∞ +C (T) of L∞ and we present a case of the continuity of the spectral function restricted to the space of Toeplitz operators.","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71223253","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 class of integro-multiplication operators 一类积分乘法运算符
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-44
Gregory T. Adams, N. Feldman, Paul J. McGuire
{"title":"A class of integro-multiplication operators","authors":"Gregory T. Adams, N. Feldman, Paul J. McGuire","doi":"10.7153/oam-2022-16-44","DOIUrl":"https://doi.org/10.7153/oam-2022-16-44","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71223727","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 pseudospectral mapping theorem for operator pencils 算子铅笔的伪谱映射定理
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-52
Krishna Ku ar G., Judy Augustine
{"title":"A pseudospectral mapping theorem for operator pencils","authors":"Krishna Ku ar G., Judy Augustine","doi":"10.7153/oam-2022-16-52","DOIUrl":"https://doi.org/10.7153/oam-2022-16-52","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71223857","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
Weak-star dentability, quasi-weak-star near dentability and continuity of metric projector in Banach spaces Banach空间中度量投影的弱星可扩性、拟弱星近可扩性和连续性
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-68
Laiyou Bao, Suyalatu Wulede
{"title":"Weak-star dentability, quasi-weak-star near dentability and continuity of metric projector in Banach spaces","authors":"Laiyou Bao, Suyalatu Wulede","doi":"10.7153/oam-2022-16-68","DOIUrl":"https://doi.org/10.7153/oam-2022-16-68","url":null,"abstract":". The relations between the w ∗ dentability and Chebyshev set or the continuity of metric projection operator are given. Let X ∗ be the conjugate space of Banach space X , the conditions of a point ( x ∗ , y ∗ ) on the unit sphere of product space X ∗ × X ∗ to be w ∗ denting point of closed unit ball of product space X ∗ × X ∗ are given. Also, a notion of quasi-w ∗ near dentability in conjugate space X ∗ is introduced and the relations between the quasi-w ∗ nearly denting point of closed unit ball of X ∗ and a certain slice of closed unit ball of X ∗ are given.","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71223892","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
Kotani theory for ergodic block Jacobi operators 遍历块Jacobi算子的Kotani理论
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-58
Fabrício Vieira Oliveira, S. L. Carvalho
{"title":"Kotani theory for ergodic block Jacobi operators","authors":"Fabrício Vieira Oliveira, S. L. Carvalho","doi":"10.7153/oam-2022-16-58","DOIUrl":"https://doi.org/10.7153/oam-2022-16-58","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71224055","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
Some properties of the p-spectral radius on tensors for general hypergraphs and their applications 一般超图张量p谱半径的一些性质及其应用
IF 0.5 4区 数学
Operators and Matrices Pub Date : 2022-01-01 DOI: 10.7153/oam-2022-16-62
Jun ao Zhang, Zhong un Zhu
{"title":"Some properties of the p-spectral radius on tensors for general hypergraphs and their applications","authors":"Jun ao Zhang, Zhong un Zhu","doi":"10.7153/oam-2022-16-62","DOIUrl":"https://doi.org/10.7153/oam-2022-16-62","url":null,"abstract":"","PeriodicalId":56274,"journal":{"name":"Operators and Matrices","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71224162","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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