Module

SemilinearAut_restrict_smul.lean

Nyll.AlgebraicCurves.Divisors.Semilinear.SemilinearAut_restrict_smul
2 declarations indexed from sourceView source ↗

Semilinear Aut restrict smul

Declarations

AlgebraicCurves.Divisors.Semilinear.Proofs.SemilinearAut_restrict_smul.solution
Source context 5 commands

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

section ProofImplementation
namespace AlgebraicCurves.Divisors.Semilinear.Proofs.SemilinearAut_restrict_smul
open AlgebraicCurve AlgebraicCurve.SemilinearAut
open scoped Pointwise
noncomputable section
theorem solution {K F F' : Type*} [Field K] [Field F] [Field F'] [Algebra K F] [Algebra K F']
  [Algebra F F'] [IsScalarTower K F F'] [Algebra.IsIntegral F F'] {g : SemilinearAut K F} {g' :
  SemilinearAut K F'} (hgg' : IntertwinesAlong (algebraMap F F') g g') (w : Place K F') : (g' •
  w).restrict F = g • (w.restrict F)
AlgebraicCurve.SemilinearAut.restrict_smul
Source context 1 command

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

open AlgebraicCurve AlgebraicCurve.SemilinearAut
theorem AlgebraicCurve.SemilinearAut.restrict_smul {K F F' : Type*} [Field K] [Field F] [Field F']
  [Algebra K F] [Algebra K F'] [Algebra F F'] [IsScalarTower K F F'] [Algebra.IsIntegral F F'] {g :
  SemilinearAut K F} {g' : SemilinearAut K F'} (hgg' : IntertwinesAlong (algebraMap F F') g g') (w
  : Place K F') : (g' • w).restrict F = g • (w.restrict F)