Magnitude conjecture

MagnitudeConjecture.Algebra.RightModuleStandardFormMeshYonedaLift

Yoneda lifting for the standard-form mesh resolution #

The reflected raw relation is lifted through mesh exactness. This final stage is kept separate from the expensive Yoneda calculation.

@[instance_reducible]
def MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormMeshYonedaLiftQuiver {k A : Type u} [Field k] [Ring A] [Algebra k A] [FiniteDimensional k A] [IsNoetherianRing Aᵐᵒᵖ] (S : FiniteIndecomposableSkeleton k A) :
Quiver (Fin S.n)
Instances For
    @[instance_reducible]
    noncomputable def MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormMeshYonedaLiftArrowFintype {k A : Type u} [Field k] [Ring A] [Algebra k A] [FiniteDimensional k A] [IsNoetherianRing Aᵐᵒᵖ] (S : FiniteIndecomposableSkeleton k A) (x y : Fin S.n) :
    Fintype (x ⟶ y)
    Instances For
      theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormSimpleResolution_yoneda_lift {k A : Type u} [Field k] [IsAlgClosed k] [Ring A] [Algebra k A] [FiniteDimensional k A] [IsNoetherianRing Aᵐᵒᵖ] (S : FiniteIndecomposableSkeleton k A) (hP : S.standardFormRightMeshData.FiniteContravariantRepresentables) (z : { z : Fin S.n // z ∉ S.standardFormProjectiveSet }) (x : Fin S.n) (h : S.standardFormRightMeshData.incomingCoefficientFiniteModule hP ↑z ⟶ S.standardFormRightMeshData.contravariantRepresentableFiniteModule hP x) (hh : CategoryTheory.CategoryStruct.comp (S.standardFormRightMeshData.translationMapFinite hP z) h = 0) :

      A morphism out of the incoming coefficient module which kills the translation map is induced by a single morphism in the mesh category.