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浙江大学学报(理学版)  2023, Vol. 50 Issue (1): 16-19    DOI: 10.3785/j.issn.1008-9497.2023.01.002
数学与计算机科学     
Hopf群余代数上对角交叉积的Maschke型定理
罗晓芳1,张颖颖2,陈笑缘2
1.义乌工商职业技术学院,浙江 金华 322000
2.浙江商业职业技术学院,浙江 杭州 310053
The Maschke-type theorems of diagonal crossed products over Hopf group coalgebras
Xiaofang LOU1,Yinyin ZHANG2,Xiaoyuan CHEN2
1.Yiwu Industrial & Commercial College,Yiwu 322000,Zhejiang Province,China
2.Zhejiang Business College,Hangzhou 310053,China
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摘要:

构造了Hopf群余代数上对角交叉积代数结构,给出了其为Hopf群余代数的充要条件,证明了其表示范畴同构于Yetter-Drinfeld群模范畴,并将Hopf代数理论中经典的Maschke型定理推广至Hopf群余代数的对角交叉积。

关键词: Hopf群余代数对角交叉积Maschke型定理    
Abstract:

In this paper, a diagonal crossed product over a Hopf group coalgebra is constructed, and the sufficient and necessary conditions for it being a Hopf group coalgebra are given. Then we prove that the representation category of a diagonal crossed product over a Hopf group coalgebra is isomorphic to the category of Yetter-Drinfeld π-modules and extend the classic Maschke-type theorem of Hopf algebra to diagonal crossed products over Hopf group coalgebras.

Key words: Hopf group coalgebra    diagonal crossed product    Maschke-type theorem
收稿日期: 2021-09-24 出版日期: 2023-01-13
CLC:  O 153.3  
作者简介: 罗晓芳(1964—),ORCID:https://orcid.org/0000-0002-5855-2890,女,硕士,主要从事数学与教学研究.
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引用本文:

罗晓芳,张颖颖,陈笑缘. Hopf群余代数上对角交叉积的Maschke型定理[J]. 浙江大学学报(理学版), 2023, 50(1): 16-19.

Xiaofang LOU,Yinyin ZHANG,Xiaoyuan CHEN. The Maschke-type theorems of diagonal crossed products over Hopf group coalgebras. Journal of Zhejiang University (Science Edition), 2023, 50(1): 16-19.

链接本文:

https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2023.01.002        https://www.zjujournals.com/sci/CN/Y2023/V50/I1/16

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