The Ribbon Elements of Drinfeld Double of Radford Hopf Algebra

Hua Sun, Yuyan Zhang, Libin Li

Let $m$, $n$ be two positive integers, $\mathbb{k}$ be an algebraically closed field with char($\mathbb{k})\nmid mn$. Radford constructed an $m{n}^2$-dimensional Hopf algebra $R_{mn}(q)$ suc…