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M二阶特殊矩阵空间保幂等的映射(英文) 被引量:4

Maps on 2×2 special matrix spaces preserving idempotence
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摘要 设F1 是 特 征 不 为2、3、5的 域 ,F2是 特 征 不 为2的 域 ,M2(F1)记F1上2×2 全 矩 阵 空间,S2(F1)记F1上2×2 对称矩阵空间,T2(F2)是F2上2×2 上三角矩阵空间.确定了从S2(F1)到M2(F1)以及从T2(F2)到T2(F2)保幂等的映射形式. Let F1 be a ?eld of chF1= 2,3,5, F2 be a ?eld of characteristic not 2. Let M2(F1) be the space of all 2×2 matrices over F1. Let S2(F1) be the space of all 2×2 symmetric matrices over F1 and let T2(F2) be the set of all 2×2 upper triangular matrices over F2. The exact structure of idempotence-preserving maps from S2(F1) to M2(F1)and from T2(F2) to T2(F2) are given, respectively.
出处 《黑龙江大学自然科学学报》 CAS 2004年第4期124-127,共4页 Journal of Natural Science of Heilongjiang University
基金 Supported in part the National Natural Science of China(10271021)
关键词 对称矩阵 上三角矩阵 幂等阵 eld symmetric matrix upper triangular matrix idempotent matrix
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参考文献4

  • 1DOLINAR G. Maps on matrix algebras preserving idempotents[J].Linear Algebra Appl, 2003, 371: 287-300.
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同被引文献8

  • 1徐金利.2×2 矩阵代数保持幂等的映射(英文)[J].黑龙江大学自然科学学报,2004,21(4):128-131. 被引量:1
  • 2Liu Yu, Zhang Zhixu, Yuan Dehui. On the tripotent preserving maps of 2×2 matrix algevras[ J]. JP Jour Algevra, Number Theory Appl, 2005, 6(1 ) :175 - 184.
  • 3G Dolinar. Maps on matrix algebras preserving idempotents[ J ]. Linear Algebra Alppl, 2003,371:287 -309.
  • 4Zhang X. Idempotence - preserving maps without the livearity and surjectivity assumptions[ J]. Linear Algebra Appl, 2004,387:167 - 182.
  • 5Liu Y. On the tripotent preserving maps of 2 × 2 matrix algebras[ J ]. JP Jour Algebra, Number Theory and Appl,2006,6( 1 ) :175 - 184.
  • 6Zhang X, Cao C G. Homomorphisms between additive matrix groups which preserve some invariants[ M ]. Harbin: Harbin Press, 2001.
  • 7杨丽,杨雅琴,唐孝敏.2×2对称矩阵空间保立方幂等单射[J].黑龙江大学自然科学学报,2007,24(6):812-814. 被引量:1
  • 8王金良,曹重光.2×2上三角矩阵代数上保持立方幂等的单射(英文)[J].黑龙江大学自然科学学报,2007,24(6):822-824. 被引量:2

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