OAI/Algebra/Finitistic/Localization/BoundedRepresentatives.lean

GitHub source file

5 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.LittleFinitistic.BoundedHomotopy.representative line 10

    Source documentation

    An actual bounded representative of each homotopy-category object.

    def representative (X : K C) : Complex C :=
    …

    Mentions: OAI.LittleFinitistic.BoundedHomotopy.K, OAI.LittleFinitistic.BoundedHomotopy.Complex

  2. theorem OAI.LittleFinitistic.BoundedHomotopy.quotient_representative line 13
  3. def OAI.LittleFinitistic.BoundedHomotopy.representativeMap line 20

    Source documentation

    A bounded chain-map representative of a homotopy-category morphism.

    def representativeMap {X Y : K C} (f : X ⟶ Y) :
        representative C X ⟶ representative C Y :=
    …

    Mentions: OAI.LittleFinitistic.BoundedHomotopy.K, OAI.LittleFinitistic.BoundedHomotopy.representative

  4. theorem OAI.LittleFinitistic.BoundedHomotopy.quotient_representativeMap line 24
  5. def OAI.LittleFinitistic.BoundedHomotopy.nullHomotopy line 29

    Source documentation

    Zero in K means a genuine right-linear null-homotopy of the chain representative.

    def nullHomotopy {X Y : Complex C} (f : X ⟶ Y) (hf : (quotient C).map f = 0) :
        Homotopy f.hom 0 :=
    …

    Mentions: OAI.LittleFinitistic.BoundedHomotopy.Complex, OAI.LittleFinitistic.BoundedHomotopy.quotient