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Generalizing Choi map in M3 beyond circulant scenario M3 中超越环状情景的蔡氏图谱泛化
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-18 DOI: 10.1080/03081087.2024.2326249
Anindita Bera, Giovanni Scala, Gniewomir Sarbicki, Dariusz Chruściński
{"title":"Generalizing Choi map in M3 beyond circulant scenario","authors":"Anindita Bera, Giovanni Scala, Gniewomir Sarbicki, Dariusz Chruściński","doi":"10.1080/03081087.2024.2326249","DOIUrl":"https://doi.org/10.1080/03081087.2024.2326249","url":null,"abstract":"We introduce a family of positive linear maps in the algebra of 3×3 complex matrices, which generalizes the seminal positive non-decomposable map originally proposed by Choi. Necessary and sufficie...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"25 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140145975","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 analogue of a property of singular M-matrices for the Lyapunov and Stein operators 关于里亚普诺夫和斯坦因算子的奇异 M 矩属性的一个类比
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-12 DOI: 10.1080/03081087.2024.2313633
A.M. Encinas, S. Mondal, K.C. Sivakumar
{"title":"On an analogue of a property of singular M-matrices for the Lyapunov and Stein operators","authors":"A.M. Encinas, S. Mondal, K.C. Sivakumar","doi":"10.1080/03081087.2024.2313633","DOIUrl":"https://doi.org/10.1080/03081087.2024.2313633","url":null,"abstract":"A well-known result for a singular irreducible M-matrix A is that the only nonnegative vector that belongs to the range space of A is the zero vector. In this paper, we prove an analogue of this re...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"95 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140142081","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
Modified CRI iteration methods for complex symmetric indefinite linear systems 复杂对称不定线性系统的修正 CRI 迭代方法
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-12 DOI: 10.1080/03081087.2024.2325117
Zhao-Zheng Liang, Yan Dou
{"title":"Modified CRI iteration methods for complex symmetric indefinite linear systems","authors":"Zhao-Zheng Liang, Yan Dou","doi":"10.1080/03081087.2024.2325117","DOIUrl":"https://doi.org/10.1080/03081087.2024.2325117","url":null,"abstract":"This work investigates the iterative solution of complex symmetric linear systems with indefinite matrix term. Based on a technical equivalent reformulation of the original indefinite systems, an e...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"16 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140142091","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
Countably many asymptotic tensor ranks 可数的渐近张量等级
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-12 DOI: 10.1080/03081087.2024.2317906
Andreas Blatter, Jan Draisma, Filip Rupniewski
{"title":"Countably many asymptotic tensor ranks","authors":"Andreas Blatter, Jan Draisma, Filip Rupniewski","doi":"10.1080/03081087.2024.2317906","DOIUrl":"https://doi.org/10.1080/03081087.2024.2317906","url":null,"abstract":"In connection with recent work on gaps in the asymptotic subranks of complex tensors the question arose whether the number of nonnegative real numbers that arise as the asymptotic subrank of some c...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"11 3 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140142082","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
Rank one quaternionic operators and additive preservers 秩一四元数算子和加法保值器
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-11 DOI: 10.1080/03081087.2024.2324389
E. M. Ouahabi, K. Souilah
{"title":"Rank one quaternionic operators and additive preservers","authors":"E. M. Ouahabi, K. Souilah","doi":"10.1080/03081087.2024.2324389","DOIUrl":"https://doi.org/10.1080/03081087.2024.2324389","url":null,"abstract":"In this paper, we completely describe all additive surjective maps, on the set of all bounded finite rank right linear operators acting on a right quaternionic Banach space, that preserve the set o...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"41 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140104707","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
Distance spectral radius and fractional matching in t-connected graphs t 连接图中的距离谱半径和分数匹配
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-04 DOI: 10.1080/03081087.2024.2306329
Yanling Hu, Huiqiu Lin, Yuke Zhang, Zhiguo Zhang
{"title":"Distance spectral radius and fractional matching in t-connected graphs","authors":"Yanling Hu, Huiqiu Lin, Yuke Zhang, Zhiguo Zhang","doi":"10.1080/03081087.2024.2306329","DOIUrl":"https://doi.org/10.1080/03081087.2024.2306329","url":null,"abstract":"A fractional matching of a graph G is a function f assigning each edge a number in [0,1] so that ∑e∈Γ(v)f(e)≤1 for each v∈V(G), where Γ(v) is the set of edges incident to v. The fractional matching...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"53 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140043264","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
Lie triple centralizers of the algebra of dominant block upper triangular matrices 主块上三角矩阵代数的列三中心子
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-04 DOI: 10.1080/03081087.2024.2325672
Prakash Ghimire, Magdalena Benavides, Sheral King, Lavona Young
{"title":"Lie triple centralizers of the algebra of dominant block upper triangular matrices","authors":"Prakash Ghimire, Magdalena Benavides, Sheral King, Lavona Young","doi":"10.1080/03081087.2024.2325672","DOIUrl":"https://doi.org/10.1080/03081087.2024.2325672","url":null,"abstract":"Let N be the algebra of all n×n dominant block upper triangular matrices over a field. In this paper, we explicitly describe all Lie triple centralizers of N. We also describe Lie triple centralize...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"92 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140064285","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
Probabilistic bounds on best rank-1 approximation ratio 最佳秩-1 近似比的概率边界
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-03-03 DOI: 10.1080/03081087.2024.2304146
Khazhgali Kozhasov, Josué Tonelli-Cueto
{"title":"Probabilistic bounds on best rank-1 approximation ratio","authors":"Khazhgali Kozhasov, Josué Tonelli-Cueto","doi":"10.1080/03081087.2024.2304146","DOIUrl":"https://doi.org/10.1080/03081087.2024.2304146","url":null,"abstract":"We provide new upper and lower bounds on the minimum possible ratio of the spectral and Frobenius norms of a (partially) symmetric tensor. In the particular case of general tensors, our result reco...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"4 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140043283","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 note on a generalized Jordan form of an infinite upper triangular matrix 关于无穷上三角矩阵的广义约旦形式的说明
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-02-21 DOI: 10.1080/03081087.2024.2314210
Adel Abyzov, Alexander Maklakov
{"title":"A note on a generalized Jordan form of an infinite upper triangular matrix","authors":"Adel Abyzov, Alexander Maklakov","doi":"10.1080/03081087.2024.2314210","DOIUrl":"https://doi.org/10.1080/03081087.2024.2314210","url":null,"abstract":"In this paper, several equivalent conditions for the existence of a generalized Jordan form for matrices of locally nilpotent linear operators acting on an infinite countable dimensional vector spa...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"108 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139917394","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
Existence and uniqueness of solutions for Leontief's Input–Output Model, graph theory and sensitivity analysis 列昂惕夫投入产出模型解的存在性和唯一性、图论和敏感性分析
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-02-20 DOI: 10.1080/03081087.2024.2313638
José Carlos Bellido, Luis Felipe Prieto-Martínez
{"title":"Existence and uniqueness of solutions for Leontief's Input–Output Model, graph theory and sensitivity analysis","authors":"José Carlos Bellido, Luis Felipe Prieto-Martínez","doi":"10.1080/03081087.2024.2313638","DOIUrl":"https://doi.org/10.1080/03081087.2024.2313638","url":null,"abstract":"We provide a complete study of existence and uniqueness (uniqueness up to multiples in the case d=0) of non-negative and non-trivial solutions x for the linear system (I−A)x=d with A≥0,d≥0 (which, ...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"25 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139917376","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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