吉林大学学报(理学版)

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一类三阶矩阵环的Armendariz和半交换子环

张万儒   

  1. 河西学院 数学与统计学院, 甘肃 张掖 734000
  • 收稿日期:2014-05-13 出版日期:2015-01-26 发布日期:2015-01-19
  • 通讯作者: 张万儒 E-mail:zhangwru@163.com

A Class of Armendariz and SemicommutativeSubrings of 3×3 Matrix Rings

ZHANG Wanru   

  1. School of Mathematics and Statistics, Hexi University, Zhangye 734000, Gansu Province, China
  • Received:2014-05-13 Online:2015-01-26 Published:2015-01-19
  • Contact: ZHANG Wanru E-mail:zhangwru@163.com

摘要:

考虑环R上三阶矩阵环M3(R)的一类特殊子环S3(R), 证明了如果R是reduced环, α,β是R的相容自同态, 则S3(R)是半交换Armendariz环, 并给出了Armendariz环和半交换环的例子.

关键词: Armendariz环, 半交换环, reduced环, 相容自同态

Abstract:

We considered a special subring S3(R) of 3×3 matrix ring M3(R) over a ring R. It is shown that S3(R) is an Armendariz and semicommutative ring if R is a reduced ring with compatible endomorphisms α,β. Our results yield more examples of Armendariz rings and semicommutative rings.

Key words: Armendariz ring, semicommutative ring, reduced ring, compatible endomorphism

中图分类号: 

  • O153.3