EtaleFundamentalGroups.Inertia.actualFiniteStageInertiaGroup
The actual finite ideal-inertia group in its intrinsic normalization presentation.
Source context 5 commands
Surrounding namespaces, section variables, and local commands at this declaration.
noncomputable section
namespace EtaleFundamentalGroups.Inertia
open SchemeTheory
universe u v w
variable (A : Type u) (K : Type v) (L : Type w)
[CommRing A] [IsDomain A] [IsDiscreteValuationRing A]
[Field K] [Field L] [Algebra A K] [IsFractionRing A K]
[Algebra K L] [Algebra A L] [IsScalarTower A K L] [IsGalois K L]
(Q : Ideal (normalizationCommAlgCat A L)) [Q.IsMaximal]Lean source · statement
def actualFiniteStageInertiaGroup (E : FiniteGaloisIntermediateField K L) : GrpCat.{w}