openAI-math-dataset / lean /OAI /Algebra /Finitistic /Selected /SelectedDerivedFunctor.lean
roseking's picture
Add lean source and binary files (part 8)
ae00908 verified
Raw History Blame Contribute Delete
2.02 kB
import OAI.Algebra.Finitistic.Localization.NativeSingleEvaluation
import OAI.Algebra.Finitistic.Selected.SelectedWindow
import OAI.Algebra.Finitistic.Selected.SelectedIteration
namespace OAI
noncomputable section
open CategoryTheory CategoryTheory.Limits
attribute [local instance] HasDerivedCategory.standard HasExt.standard
namespace LittleFinitistic.SelectedDerivedFunctor
open SelectedFixedDiagram QuadraticEncoding FiniteSelectionFamily
/-- One fixed genuine derived tensor functor, chosen before any test module. -/
def model : BimoduleTotal.BoundedProjective ℂ (B P) SelectedRectification.bimodule :=
BimoduleTotal.nativeProjectiveModel SelectedRectification.bimodule
(SelectedWindow.lo-2) SelectedWindow.hi SelectedWindow.bounded SelectedWindow.verified.projective
abbrev Phi := model.derived
/-- The previously explicit stalk-comparison premise is now discharged for the
actual fixed selecting bimodule and its actual derived tensor endofunctor. -/
def comparison (Y : S.{0}) : Phi.obj (derived Y) ≅
SelectedTensorSplitting.object (representation Y).Evaluation :=
model.nativeSingleEvaluation (representation Y).Evaluation
/-- The actual full B-linear binomial formula for the genuine tensor functor. -/
def iteration (j : ℕ) (Y : S.{0}) :
(Phi.obj^[j]) (derived Y) ≅
⨁ fun q : Fin (j+1) => ⨁ fun _ : Fin (Nat.choose j q.val) =>
(derived ((H^[j]) Y))⟦(3 : ℤ)*(q.val : ℤ)⟧ :=
SelectedIteration.iteration Phi comparison j Y
theorem isZero_iff (j : ℕ) (Y : S.{0}) :
IsZero ((Phi.obj^[j]) (derived Y)) ↔ Subsingleton (selectionIterate Y.val j) :=
SelectedIteration.isZero_iff Phi comparison j Y
/-- Exact arbitrarily long finite extinction for one fixed actual tensor functor. -/
theorem extinction (m : ℕ) [NeZero m] :
(∀ j < m, ¬ IsZero ((Phi.obj^[j]) (derived (test m)))) ∧
IsZero ((Phi.obj^[m]) (derived (test m))) :=
SelectedIteration.extinction Phi comparison m
end LittleFinitistic.SelectedDerivedFunctor
end
end OAI