Invariants from the Sweedler power maps on integrals

Zhihua Wang, Gongxiang Liu, Libin Li

For a finite-dimensional Hopf algebra $A$ with a nonzero left integral $\Lambda$, we investigate a relationship between $P_n(\Lambda )$ and $P_n^J(\Lambda )$, where $P_n$ and $P_n^J$ are respectively…