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Calabi-Yau pointed Hopf algebras of finite Cartan type

We study the Calabi-Yau property of pointed Hopf algebra $U(\mc{D},\lmd)$ of finite Cartan type. It turns out that this class of pointed Hopf algebras constructed by N. Andruskiewitsch and H.-J. Schneider contains many Calabi-Yau Hopf algebras. To give concrete examples of new Calabi-Yau Hopf algebras, we classify the Calabi-Yau pointed Hopf algebras $U(\mc{D},\lmd)$ of dimension less than 5.

preprint2011arXivOpen access
Xiaolan YuYinhuo Zhang
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Xiaolan YuYinhuo Zhang

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