Decomposition of Jordan automorphism of two-order upper triangular matrix algebra over certain semilocal rings

Let T(R) be a two-order upper matrix algebra over the semilocal ring R which is determined by R =F × F where F is a field such that CharF = 0. In this paper, we prove that any Jordan automorphism of T(R)can be decomposed into a product of involutive, inner and diagonal automorphisms.

作 者： WANG Xing-tao   作者單位： Dept. of Mathematics, Harbin Institute of Technology, Harbin 150001, China  刊 名： 哈爾濱工業大學學報（英文版）  EI 英文刊名： JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY(NEW SERIES)  年，卷(期)： 2006 13(1)  分類號： O152  關鍵詞： Jordan automorphism   upper triangular matrix algebra   semilocal ring  

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