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math.RA2011★ 3 cited
Hopf algebras of GK-dimension two with vanishing Ext-group
D. -G. Wang, J. J. Zhang, G. Zhuang
We construct and study a family of finitely generated Hopf algebra domains of Gelfand-Kirillov dimension two such that $\Ext^1_H(k,k)=0$. Consequently, we answer a question of…
math.RA2011★ 3 cited
Lower bounds of Growth of Hopf algebras
D. -G. Wang, J. J. Zhang, G. Zhuang
Some lower bounds of GK-dimension of Hopf algebras are given.