Underlying representatives of the standard-form graded modules #
@[instance_reducible]
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.rdGradedRepresentativesQuiver
{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.rdGradedRepresentativesArrowFintype
{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.standardFormGradedObjectUnderlyingIso
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(X : CategoryTheory.Mat_ S.StandardFormMeshCategory)
:
(S.standardFormGradedObject ⋯ X).module ≅ (S.standardFormProjectiveVertexModuleAlgebraEquivalence.functor.obj (S.standardGradedRecovery.obj X)).obj
Forgetting the grading recovers the existing represented right module.
Instances For
noncomputable def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedFamily
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(i : Fin S.n)
:
The graded representatives, with the labels of the original finite skeleton.
Instances For
noncomputable def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedFamilyIso
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(i : Fin S.n)
:
The underlying graded representatives are the existing algebra skeleton.
Instances For
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedFamily_indecomposable
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(i : Fin S.n)
:
CategoryTheory.Indecomposable (S.standardFormGradedFamily i).module
Each graded representative is indecomposable after forgetting its grading.
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedFamily_complete
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(M : Category (S.standardFormAlgebra ⋯))
(hfin : Module.Finite k ↑M)
(hM : CategoryTheory.Indecomposable M)
:
∃ (i : Fin S.n), Nonempty (M ≅ (S.standardFormGradedFamily i).module)
Every finite ungraded indecomposable has one of these gradings.
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedFamily_skeletal
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(i j : Fin S.n)
(h : Nonempty ((S.standardFormGradedFamily i).module ≅ (S.standardFormGradedFamily j).module))
:
i = j
The underlying representatives have no duplicate labels.