OAI/Algebra/Finitistic/Localization/DerivedActionCompatibility.lean

GitHub source file

5 declarations, 0 contain sorry, 0 declared as axioms

  1. instance OAI.LittleFinitistic.QuadraticEncoding.finiteUnderlyingLifting line 15
  2. def OAI.LittleFinitistic.QuadraticEncoding.finiteUnderlyingComparison line 22

    Source documentation

    Both constructions of evaluation through Q agree by uniqueness of localization.

    def finiteUnderlyingComparison : finiteQuotientEvaluation X ⋙ inclusion k ≅
        boundedQuotientEvaluation X :=
    …

    Mentions: OAI.LittleFinitistic.QuadraticEncoding.finiteQuotientEvaluation, OAI.LittleFinitistic.QuadraticEncoding.boundedQuotientEvaluation

  3. def OAI.LittleFinitistic.QuadraticEncoding.derivedUnderlyingComparison line 29

    Source documentation

    The existing finite derived evaluation agrees with canonical derived localization of the explicitly computed homotopy evaluation.

    def derivedUnderlyingComparison :
        derivedQuotientEvaluation X ⋙ (derivedEmbedding k).essImage.ι ≅
          boundedQuotientEvaluation X ⋙ DerivedCategory.Qh :=
    …

    Mentions: OAI.LittleFinitistic.QuadraticEncoding.derivedQuotientEvaluation, OAI.LittleFinitistic.QuadraticEncoding.boundedQuotientEvaluation

  4. def OAI.LittleFinitistic.QuadraticEncoding.derivedVertexIso line 34
  5. theorem OAI.LittleFinitistic.QuadraticEncoding.derived_quotientAction_square line 42

    Source documentation

    The full action square in the actual derived category, for the previously constructed bounded finite-dimensional evaluation functor.

    theorem derived_quotientAction_square (r : PresentedAlgebra P) :
        (derivedQuotientEvaluation X ⋙ (derivedEmbedding k).essImage.ι).map (quotientAction P r) ≫
          (derivedVertexIso X 0).hom =
        (derivedVertexIso X 0).hom ≫ DerivedCategory.Qh.map
          ((vectorStalk (k := k)).map (liftedEndHom (givenAction X r))) := by
    …

    Mentions: OAI.LittleFinitistic.QuadraticEncoding.PresentedAlgebra, OAI.LittleFinitistic.QuadraticEncoding.derivedQuotientEvaluation, OAI.LittleFinitistic.QuadraticEncoding.quotientAction, OAI.LittleFinitistic.QuadraticEncoding.derivedVertexIso, OAI.LittleFinitistic.QuadraticEncoding.vectorStalk, OAI.LittleFinitistic.QuadraticEncoding.liftedEndHom, OAI.LittleFinitistic.QuadraticEncoding.givenAction