Ramification of $p$-power torsion points of formal groups

Adrian Iovita, Jackson S. Morrow, Alexandru Zaharescu

Let $p$ be a rational prime, let $F$ denote a finite, unramified extension of ${\mathbb{Q}}_p$, let $K$ be the completion of the maximal unramified extension of ${\mathbb{Q}}_p$, and l…