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math.RT2012★ 20 cited
The Green Ring of Drinfeld Double
Hui-Xiang Chen
In this paper, we study the Green ring (or the representation ring) of Drinfeld quantum double of Sweedler's 4-dimensional Hopf algebra . We first give the decomposit…
math.RA2012
Hopf-Ore Extensions and Hopf Algebras of Rank One
Zhen Wang, Lan You, Hui-Xiang Chen
In this paper, we study pointed rank one Hopf algebras and Hopf-Ore extensions of group algebras, over an arbitrary field . It is proved that the rank of a Hopf-Ore extension of…