Some Braces of Cardinality $p^4$ and Related Hopf-Galois Extensions

D. Puljić, A. Smoktunowicz, K. Nejabati Zenouz

We describe all ${\mathbb{F}}_p$-braces of cardinality $p^4$ which are not right nilpotent. Our solution illustrates a general way of investigating ${\mathbb{F}}_p$-braces of cardi…