摘要
本文研究并刻画了交换环上弱Hopf代数、Yetter-Drinfeld模范畴的一些性质,给出了其能够做成半单范畴的充分条件.
We study the properties of the category of the Yetter-Drinfeld modules over a weak Hopf algebra, and give sufficient condition for the Yetter-Drinfeld category to be semisimple.
引文
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