Honda formal group as Galois module in unramified extensions of local fields

Tigran Hakobyan, Sergei Vostokov

For given rational prime number $p$ consider the tower of finite extensions of fields $K_0/{\mathbb{Q}}_p,$ $K/K_0,L/K,M/L$, where $K/K_0$ is unramified and $M/L$ is a Galois exten…