| Hopf代数余作用 |
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| 引用本文： | 郝荣霞,陈家鼐.Hopf代数余作用[J].数学研究及应用,1999,19(2):453-457. |
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| 作者姓名： | 郝荣霞 陈家鼐 |
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| 作者单位： | 1. 北方交通大学数学系,北京,100044
2. 首都师范大学数学系,北京,100037 |
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| 摘 要： | 对于Ｈｏｐｆ代数Ｈ上的余模代数Ａ，当Ｈ是有限维或幺模（ｕｎｉｍｏｄｕｌａｒ）时，存在由交叉积Ａ＃Ｈ＊ｒａｔ和余不变子代数ＡｃｏＨ构成的Ｍｏｒｉｔａ Ｃｏｎｔｅｘｔ．本文论证了对于任意的Ｈｏｐｆ代数Ｈ，结果仍是成立的
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| 关 键 词： | Hopf代数 余模代数 Morita Context |
| 文章编号： | 1000-341X(1999)02-0453-05 |
| 收稿时间： | 1996/4/29 0:00:00 |
| 修稿时间： | 1998/4/16 0:00:00 |
Coactions of Hopf Algebras |
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| Hao Rongxia and Chen Jianai.Coactions of Hopf Algebras[J].Journal of Mathematical Research with Applications,1999,19(2):453-457. |
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| Authors: | Hao Rongxia and Chen Jianai |
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| Institution: | Dept. of Math.; Northern Jiaotong University; Beijing 100044;Dept. of Math.; Capital Normal University; Beijing 100037 |
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| Abstract: | For a given comodule algebra A over a Hopf algebra H , it is well known that there exists a Morita context based on the smash product A#H *rat of A and H and the coinvariat subalgebra A co H . We show in this paper that the result still holds for arbitrary H . |
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| Keywords: | Hopf algebra comodule algebra morita context |
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