theorem
L45 ↗restrict_ofAlgAut_smul
AlgebraicCurve.Place.restrict_ofAlgAut_smul
Source context 7 commands
Surrounding namespaces, section variables, and local commands at this declaration.
section ProofImplementation
namespace AlgebraicCurves.Places.Proofs.Place_restrict_ofAlgAut_smul
noncomputable section
open _root_.AlgebraicCurve
open _root_.IsDedekindDomain
open scoped Pointwise
open _root_.AlgebraicCurve.Place
_root_.AlgebraicCurves.Places.Proofs.Place_restrict_ofAlgAut_smul.AlgebraicCurve.Place inLean source · statement
theorem _root_.AlgebraicCurve.Place.restrict_ofAlgAut_smul {K F' M : Type*} [Field K] [Field F']
[Field M]
[Algebra K F'] [Algebra K M] [Algebra F' M] [IsScalarTower K F' M]
[Algebra.IsIntegral F' M] (σ : M ≃ₐ[F'] M) (W : Place K M) :
(SemilinearAut.ofAlgAut (σ.restrictScalars K) • W).restrict F' = W.restrict F'