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The products of involutions in the centralizer of a Weyr matrix with nonhomogeneous Weyr structure 具有非均质韦尔结构的韦尔矩阵中心子中的渐开线乘积
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-09-17 DOI: 10.1080/03081087.2024.2404450
Ralph John L. de la Cruz, Raymond Louis S. Tañedo
{"title":"The products of involutions in the centralizer of a Weyr matrix with nonhomogeneous Weyr structure","authors":"Ralph John L. de la Cruz, Raymond Louis S. Tañedo","doi":"10.1080/03081087.2024.2404450","DOIUrl":"https://doi.org/10.1080/03081087.2024.2404450","url":null,"abstract":"A square matrix A is an involution if A2=I. The centralizer of a square matrix S, denoted by C(S), is the set of all matrices A such that AS = SA. Let F be an algebraically closed field of characte...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"21 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142313635","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
Strong commutativity preserving maps on rank k strictly triangular matrices k 级严格三角形矩阵上的强换向保值映射
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-09-16 DOI: 10.1080/03081087.2024.2404445
Wai Leong Chooi, Chin Yie Chua
{"title":"Strong commutativity preserving maps on rank k strictly triangular matrices","authors":"Wai Leong Chooi, Chin Yie Chua","doi":"10.1080/03081087.2024.2404445","DOIUrl":"https://doi.org/10.1080/03081087.2024.2404445","url":null,"abstract":"Let n⩾2 be an integer and let Nn(F) be the algebra of n×n strictly upper triangular matrices over a field F with center Z(Nn(F)). In this paper, we obtain a structural characterization of additive ...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"216 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142321821","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
Weighted generalized core–EP inverse 加权广义核心-EP 逆
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-09-16 DOI: 10.1080/03081087.2024.2404454
Dijana Mosić, Janko Marovt
{"title":"Weighted generalized core–EP inverse","authors":"Dijana Mosić, Janko Marovt","doi":"10.1080/03081087.2024.2404454","DOIUrl":"https://doi.org/10.1080/03081087.2024.2404454","url":null,"abstract":"To solve some systems of operator equations, we generalize the concepts of the W–weighted core–EP inverse, the W-gMP inverse, the generalized core–EP inverse and their duals and we define new kinds...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"15 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142313571","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 2-local derivations of von Neumann algebras 论冯-诺依曼代数的 2 局部派生
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-09-11 DOI: 10.1080/03081087.2024.2400490
Lei Liu
{"title":"On 2-local derivations of von Neumann algebras","authors":"Lei Liu","doi":"10.1080/03081087.2024.2400490","DOIUrl":"https://doi.org/10.1080/03081087.2024.2400490","url":null,"abstract":"Let A be a semi-finite factor von Neumann algebra. We prove that if a map δ:A→A satisfies that for any A,B∈A there is a linear derivation δA,B:A→A such that δ(A)B+Aδ(B)=δA,B(AB), then δ is a linear...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"14 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142313600","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
One sided star and core orthogonality of matrices 矩阵的单面星形和核心正交性
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-09-08 DOI: 10.1080/03081087.2024.2400482
D. E. Ferreyra, F. E. Levis, Saroj B. Malik, R. P. Moas
{"title":"One sided star and core orthogonality of matrices","authors":"D. E. Ferreyra, F. E. Levis, Saroj B. Malik, R. P. Moas","doi":"10.1080/03081087.2024.2400482","DOIUrl":"https://doi.org/10.1080/03081087.2024.2400482","url":null,"abstract":"We investigate two one-sided orthogonalities of matrices, the first of which is left (right) star-orthogonality for rectangular matrices and the other is left (right) core-orthogonality of index 1 ...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"47 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142313636","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
Singularity of oriented tricyclic graphs 定向三环图的奇异性
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-09-08 DOI: 10.1080/03081087.2024.2400461
Xianya Geng, Mengxia Li, Xiaoxuan Chen, Long Wang
{"title":"Singularity of oriented tricyclic graphs","authors":"Xianya Geng, Mengxia Li, Xiaoxuan Chen, Long Wang","doi":"10.1080/03081087.2024.2400461","DOIUrl":"https://doi.org/10.1080/03081087.2024.2400461","url":null,"abstract":"A digraph is called oriented if there is at most one arc between two distinct vertices. We call an oriented graph D is nonsingular if its adjacency matrix is nonsingular. In this paper, we characte...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"215 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142313637","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
Affine phase retrieval of quaternion signals 四元数信号的仿射相位检索
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-08-29 DOI: 10.1080/03081087.2024.2396579
Yun-Zhang Li, Ming Yang
{"title":"Affine phase retrieval of quaternion signals","authors":"Yun-Zhang Li, Ming Yang","doi":"10.1080/03081087.2024.2396579","DOIUrl":"https://doi.org/10.1080/03081087.2024.2396579","url":null,"abstract":"Quaternion algebra H is an extension of the complex number field, which is a noncommutative associative algebra. In recent years, quaternionic Fourier analysis has interested some mathematicians du...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"28 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142090007","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
Sharp lower bounds for the Laplacian Estrada index of graphs 图的拉普拉斯-埃斯特拉达指数的尖锐下界
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-08-27 DOI: 10.1080/03081087.2024.2396132
Sasmita Barik, Tahir Shamsher
{"title":"Sharp lower bounds for the Laplacian Estrada index of graphs","authors":"Sasmita Barik, Tahir Shamsher","doi":"10.1080/03081087.2024.2396132","DOIUrl":"https://doi.org/10.1080/03081087.2024.2396132","url":null,"abstract":"Let G be a simple graph on n vertices, and let λ1,λ2,…,λn be the Laplacian eigenvalues of G. The Laplacian Estrada index of G is defined as LEE(G)=∑i=1neλi. Consider a graph G with n≥3 vertices, m ...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"98 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142090004","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
Correction of ‘J. Laderman, V. Pan, X.–H. Sha, On practical Algorithms for Accelerated Matrix Multiplication, Linear Algebra and its Applications. Vol. 162-164 (1992) pp. 557-588’ 更正 "J.Laderman, V. Pan, X.-H. Sha, On practical Alorithms for Accelerated Matrix Multiplication, Linear Algebra and its Applications.Sha, On practical Algorithms for Accelerated Matrix Multiplication, Linear Algebra and its Applications.第 162-164 卷（1992 年），第 557-588 页
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-08-19 DOI: 10.1080/03081087.2024.2391807
Jerzy S. Respondek
{"title":"Correction of ‘J. Laderman, V. Pan, X.–H. Sha, On practical Algorithms for Accelerated Matrix Multiplication, Linear Algebra and its Applications. Vol. 162-164 (1992) pp. 557-588’","authors":"Jerzy S. Respondek","doi":"10.1080/03081087.2024.2391807","DOIUrl":"https://doi.org/10.1080/03081087.2024.2391807","url":null,"abstract":"In this article, we corrected the trilinear formula for triple disjoint matrix multiplication given in the article ‘J. Laderman, V. Pan, X. H. Sha, On practical Algorithms for Accelerated Matrix Mu...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"14 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142084948","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
(w,v)-core–EP inverse and (w,v)-pseudo-core inverse (w,v)-核心-EP 逆和(w,v)-伪核心逆
IF 1.1 4区 数学
Linear & Multilinear Algebra Pub Date : 2024-08-15 DOI: 10.1080/03081087.2024.2391805
Xavier Mary, Dijana Mosić, Huihui Zhu
{"title":"(w,v)-core–EP inverse and (w,v)-pseudo-core inverse","authors":"Xavier Mary, Dijana Mosić, Huihui Zhu","doi":"10.1080/03081087.2024.2391805","DOIUrl":"https://doi.org/10.1080/03081087.2024.2391805","url":null,"abstract":"The core and core–EP inverses are two recent generalized inverses that were first introduced and studied for complex matrices, and later for elements of rings with involution. Afterward, weighted v...","PeriodicalId":49905,"journal":{"name":"Linear & Multilinear Algebra","volume":"25 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141994465","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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