A class of (infinite-dimensional) cosemisimple Hopf algebras constructed via abelian extensions

Jing Yu, Gongxiang Liu, Kun Zhou +1

In this paper, we aim to study abelian extensions for some infinite group. We show that the Hopf algebra ${\mathbb{k}}^G{}^{\tau }{\#}_{\sigma }\mathbb{k}F$ constructed through abelian extensions of $\Bbbk F…