In this post we classify one-dimensional connected group varieties of dimension .
algebraic groups
Reductive groups: a rapid introduction
The goal of this post is to introduce, in a very informal way, the notion of a reductive group, and discuss some examples.
(more…)p-divisible groups, formal groups, and the Serre-Tate theorem
In this post we discuss the basic theory of p-divisible groups, their relationship to formal groups, and the Serre-Tate theorem.