A diagonalizable group scheme GG is a group scheme satisfying the following equivalent conditions:
GG is the Cartier dual of a constant group scheme.
O(G)O(G) is a character group? i.e. O(G)O(G) is generated morphisms G→μ kG\to \mu_k into the multiplicative group scheme.
Revision on June 1, 2012 at 13:47:19 by Stephan Alexander Spahn?. See the history of this page for a list of all contributions to it.