Projective-stable covariant representables on the finite module skeleton #
This is the functor \underline{Hom}(X, -) used in
Auslander--Reiten, Proposition 1.3(a)(iii).
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.projectiveStableCovariantRepresentable
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
CategoryTheory.Functor S.IndecCategory (ModuleCat k)
The restriction of projective-stable Hom(X, -) to the finite skeleton
of indecomposable right modules.
Instances For
instance
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.projectiveStableCovariantRepresentable_additive
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
(S.projectiveStableCovariantRepresentable X).Additive
instance
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.projectiveStableCovariantRepresentable_linear
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
CategoryTheory.Functor.Linear k (S.projectiveStableCovariantRepresentable X)
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.projectiveStableCovariantRepresentableLinearModule
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
The restricted projective-stable covariant representable as a linear module.
Instances For
theorem
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.projectiveStableCovariantRepresentable_isFiniteDimensional
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
On the finite skeleton, the projective-stable covariant representable is pointwise finite-dimensional with finite support.
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.finiteProjectiveStableCovariantRepresentable
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
The projective-stable covariant representable as an object of the finite functor category.
Instances For
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.projectiveStableCovariantQuotientLinearModule
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
(S.finiteRestrictedCovariantRepresentable X).obj ⟶ (S.finiteProjectiveStableCovariantRepresentable X).obj
The objectwise quotient from ordinary Hom to projective-stable Hom.
Instances For
def
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.finiteProjectiveStableCovariantQuotient
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
The quotient from ordinary Hom to projective-stable Hom in the finite functor category.
Instances For
instance
MagnitudeConjecture.RightModule.FiniteIndecomposableSkeleton.finiteProjectiveStableCovariantQuotient_epi
{k A : Type u}
[Field k]
[Ring A]
[Algebra k A]
[FiniteDimensional k A]
[IsNoetherianRing Aᵐᵒᵖ]
(S : FiniteIndecomposableSkeleton k A)
(X : FinitelyGeneratedCategory A)
:
CategoryTheory.Epi (S.finiteProjectiveStableCovariantQuotient X)