Magnitude conjecture

MagnitudeConjecture.Algebra.RightModuleStandardGradedIncoming

The actual degree-one incoming maps and their interval support #

@[instance_reducible]
def MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.incomingGradedQuiver {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.incomingGradedArrowFintype {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.standardGradedIncomingObject {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) :
      CategoryTheory.Mat_ S.StandardFormMeshCategory

      The actual incoming-arrow sum, in the raw mesh additive envelope.

      Instances For
        noncomputable def MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardGradedIncomingMap {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) :

        The literal incoming matrix, whose columns are the incoming mesh arrows.

        Instances For
          theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardGradedIncomingMap_homogeneous {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) :

          All entries of the incoming matrix have degree one.

          noncomputable def MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedIncomingMap {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) :
          { obj := S.standardFormGradedFunctor.obj (S.standardGradedIncomingObject z), degree := t + 1 } ⟶ { obj := S.standardFormGradedFamily z, degree := t }

          The canonical incoming map, with its middle shifted one degree above its target.

          Instances For
            theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedObject_support_control {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) (d : ℤ) (hd : d ∈ (S.standardFormGradedFunctor.obj X).grading.support) :
            0 ≤ d ∧ d ≤ ↑S.standardFormIntervalControlHeight

            The common mesh degree bound controls every finite sum of the actual representatives.

            theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedObject_shifted_supported {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) (t : ℤ) (m : ℕ) (ht : 0 ≤ t) (hm : ↑S.standardFormIntervalControlHeight + t ≤ ↑m) :

            Any nonnegative shift of a represented finite sum fits in the predicted interval.

            theorem MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.standardFormGradedIncomingMap_supported {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) (ht0 : 0 ≤ t) (ht1 : t ≤ 1) :

            Both the ordinary incoming map and its next shift lie in the one interval [0,h+2].