The represented factor in the standard mesh-simple resolution #
@[instance_reducible]
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormMeshHomCoordinateFactorMapQuiver
{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.standardFormMeshHomCoordinateFactorMapArrowFintype
{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
noncomputable def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormSimpleResolutionYonedaFactor
{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 x : Fin S.n)
(t : MeshCategory.obj S.standardFormRightMeshData z ⟶ MeshCategory.obj S.standardFormRightMeshData x)
:
The finite representable morphism induced by a morphism between the corresponding vertices of the mesh category.
Instances For
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormSimpleResolutionYonedaFactor_hom_hom
{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 x : Fin S.n)
(t : MeshCategory.obj S.standardFormRightMeshData z ⟶ MeshCategory.obj S.standardFormRightMeshData x)
:
(S.standardFormSimpleResolutionYonedaFactor hP z x t).hom.hom = (CategoryTheory.linearYoneda k S.standardFormRightMeshData.VertexCategory).map
(CategoryTheory.InducedCategory.homMk t)
The underlying natural transformation of the represented factor is the Yoneda image of its mesh-category morphism.
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormSimpleResolutionYonedaCoefficient_eq_comp_factor
{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)
(t : MeshCategory.obj S.standardFormRightMeshData ↑z ⟶ MeshCategory.obj S.standardFormRightMeshData x)
(ht :
∀ (a : MeshCategory.RightMeshData.IncomingArrow ↑z),
(S.standardFormSimpleResolutionYonedaCoefficient hP z x h a).hom = CategoryTheory.CategoryStruct.comp (S.standardFormRightMeshData.incomingArrowHom a) t)
(a : MeshCategory.RightMeshData.IncomingArrow ↑z)
:
S.standardFormSimpleResolutionYonedaCoefficient hP z x h a = CategoryTheory.CategoryStruct.comp
(CategoryTheory.InducedCategory.homMk (S.standardFormRightMeshData.incomingArrowHom a))
(CategoryTheory.InducedCategory.homMk t)
A lifted raw mesh factor gives the corresponding equality in the induced vertex category.