Classification of all connected subgroup schemes of a reductive group containing a split maximal torus

Ekaterina Sopkina
2008 Journal of K-theory: K-theory and its Applications to Algebra, Geometry, and Topology  
The main result of the paper is a classification of all connected subgroup schemes of a reductive group that contain a split maximal torus, over an arbitrary field. The classification is expressed in terms of functions on the root system. In this section we fix notation and recall necessary results concerning reductive
doi:10.1017/is008007004jkt043 fatcat:gcop75rusncj3hcbsfgxfx5rvi