Hopf Galois structures on separable field extensions of odd prime power degree

Teresa Crespo, Marta Salguero

A Hopf Galois structure on a finite field extension $L/K$ is a pair $(\mathcal{H},\mu )$, where $\mathcal{H}$ is a finite cocommutative $K$-Hopf algebra and $\mu$ a Hopf action. In this…