Abstract

A p-divisible group X can be seen as a tower of building blocks, each of which
is isomorphic to the same finite group scheme X[p]. Clearly, if X1 and X2 are isomorphic
then X1[p] ∼= X2[p]; however, conversely X1[p] ∼= X2[p] does in general not imply that X1
and X2 are isomorphic. Can
... read more