Magnitude conjecture

MagnitudeConjecture.Algebra.RightModuleStandardGradedIncomingAlmostSplit

The actual graded incoming maps are minimal right almost split #

@[instance_reducible]
def MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.gradedIncomingASQuiver {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.gradedIncomingASArrowFintype {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

      The actual incoming matrix has the same finitely generated realization as the established recovered mesh.

      Instances For

        Before the endpoint identification, the recovered incoming matrix is almost split.

        Before the endpoint identification, the recovered incoming matrix is right minimal.

        theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedIncomingMap_rightAlmostSplit {k A : Type u} [Field k] [IsAlgClosed k] [Ring A] [Algebra k A] [FiniteDimensional k A] [IsNoetherianRing Aᵐᵒᵖ] (S : FiniteIndecomposableSkeleton k A) (z : Fin S.n) (t : ℤ) :

        The degree-one incoming map is almost split in the full graded module category.

        theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedIncomingMap_rightMinimal {k A : Type u} [Field k] [IsAlgClosed k] [Ring A] [Algebra k A] [FiniteDimensional k A] [IsNoetherianRing Aᵐᵒᵖ] (S : FiniteIndecomposableSkeleton k A) (z : Fin S.n) (t : ℤ) :

        The same concrete map is right minimal after grading and shifting.