Module

ActualNormalizationWildConjugate.lean

Nyll.EtaleFundamentalGroups.Inertia.ActualNormalizationWildConjugate
1 declaration indexed from sourceView source ↗

Original decomposition conjugation preserves the independent wild subgroup

The independently defined principal-unit subgroup is detected by the SAME finite canonical coordinates. Their proved equivariance preserves identity.

Declarations

EtaleFundamentalGroups.Inertia.actualNormalizationWildSubgroup_conjugate_mem
Source context 3 commands

Surrounding namespaces, section variables, and local commands at this declaration.

namespace EtaleFundamentalGroups.Inertia
open SchemeTheory
universe u v w
theorem actualNormalizationWildSubgroup_conjugate_mem
    (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).carrier) [Q.IsMaximal]
    (d : (normalizationDecompositionGroup A K L Q).carrier)
    (σ : (actualNormalizationInertiaGroup A K L Q).carrier)
    (hσ : σ ∈ actualNormalizationWildSubgroup A K L Q) :
    originalFiniteNormalizationInertiaConjugate A K L Q d σ ∈
      actualNormalizationWildSubgroup A K L Q