Incoming sums for the actual interval skeleton #
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.incomingIntervalFinite
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(m : ℕ)
:
FiniteDimensional k (S.standardFormIntervalAlgebra m)
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.incomingIntervalNoetherian
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(m : ℕ)
:
IsNoetherianRing (S.standardFormIntervalAlgebra m)ᵐᵒᵖ
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormIntervalSkeleton_incoming_sum
{k A : Type u}
[Field k]
[IsAlgClosed k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(m : ℕ)
(j : Fin (S.standardFormIntervalSkeleton m).n)
:
∑ i : Fin (Fintype.card (S.standardFormSupportedLabel m)),
FiniteTauMatrix.arrowMultiplicity
(ofFGFamily
(fun (a : S.standardFormSupportedLabel m) =>
(S.standardFormIntervalAlgebraEquivalence m).inverse.obj (S.standardFormSupportedFamily m a))
⋯ ⋯ ⋯).finiteTauCategoryData.toFiniteRightTauCategoryData
i j = ∑ a : S.standardFormSupportedLabel m,
Module.finrank k
(CategoricalIrreducible.Space k (S.standardFormSupportedFamily m a)
(S.standardFormSupportedFamily m ((Fintype.equivFin (S.standardFormSupportedLabel m)).symm j)))
The actual numbered interval incoming sum equals the supported-family sum.