Graded isomorphisms on upper block triangular matrix algebras

被引：5
|
作者：
Borges, Alex Ramos [1 ]
Fidelis, Claudemir [1 ]
Diniz, Diogo [1 ]
机构：
[1] Univ Fed Campina Grande, Unidade Acad Matemat, BR-58429970 Campina Grande, PB, Brazil
来源：
LINEAR ALGEBRA AND ITS APPLICATIONS | 2018年 / 543卷
关键词：
Graded algebra; Graded flag; Upper block triangular matrix algebra;
D O I：
10.1016/j.laa.2017.12.011
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We describe the graded isomorphisms of rings of endomorphisms of graded flags over graded division algebras. As a consequence we describe the isomorphism classes of upper block triangular matrix algebras (over an algebraically closed field of characteristic zero) graded by a finite abelian group. (C) 2017 Elsevier Inc. All rights reserved.
引用
收藏
页码：92 / 105
页数：14
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