Algebras with dual basis(带有对偶基的代数)
特征为零域上的中心单代数具有很好的性质是因为它们都有对偶基;而当域的特征不为零时,同样是中心单代数,情况就不一样了,主要是它们不具有对偶基.因而给出了在域F的特征p为不零情况下,单分离代数存在对偶基的充分必要条件是很有趣的.设A是域F上的n维单分离代数,且其特征p不整除n,则对A的任何一组基{a1, a2, …, an},都存在惟一的对偶基.如果C是A的中心,A在C上的维数不能被p整除,则其任何基都存在对偶基.我们还利用对偶基来刻画这样的分离代数的中心,进而推广了特征为零时的Whitehead引理.最后,利用迹函数的方法刻画了非半单代数的幂零根和相应的直和分解....
Main Author: | WUZhi-xiang(吴志祥) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2002-05-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.2002.29.3.265-267 |
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