OAI/CategoryTheory/Thomason/Chains/AcceptedComplexes.lean

GitHub source file

13 declarations, 0 contain sorry, 0 declared as axioms

The bundled-group and carrier-and-instance presentations of augmented directed complexes have the same positive tables and strict realization.

  1. def OAI.Thomason.Construction.DirectedComplex.toAccepted line 16

    Source documentation

    Express a directed complex using its chain carriers and group instances.

    def toAccepted (K : DirectedComplex.{u}) : Thomason.DirectedComplex.{u} where
    …
  2. def OAI.Thomason.Construction.DirectedComplex.ofAccepted line 26

    Source documentation

    Bundle the chain groups of a carrier-and-instance directed complex.

    def ofAccepted (K : Thomason.DirectedComplex.{u}) : DirectedComplex.{u} where
    …
  3. def OAI.Thomason.Construction.DirectedComplex.Hom.toAccepted line 35

    Source documentation

    A positive chain map is unchanged on each chain group by the conversion.

    def Hom.toAccepted {K L : DirectedComplex.{u}} (f : Hom K L) :
        Thomason.DirectedComplex.Hom K.toAccepted L.toAccepted where
    …

    Mentions: OAI.Thomason.Construction.DirectedComplex.Hom, OAI.Thomason.DirectedComplex.Hom

  4. def OAI.Thomason.Construction.DirectedComplex.Hom.ofAccepted line 43

    Source documentation

    Positive chain maps also admit the bundled-group presentation.

    def Hom.ofAccepted {K L : Thomason.DirectedComplex.{u}} (f : Thomason.DirectedComplex.Hom K L) :
        Hom (ofAccepted K) (ofAccepted L) where
    …

    Mentions: OAI.Thomason.DirectedComplex.Hom, OAI.Thomason.Construction.DirectedComplex.Hom

  5. def OAI.Thomason.Construction.DirectedComplex.Cell.toAccepted line 55

    Source documentation

    Transpose the degree and boundary indices of a positive globular table.

    def toAccepted (x : Cell K) : Thomason.DirectedComplex.Table K.toAccepted where
    …

    Mentions: OAI.Thomason.Construction.DirectedComplex.Cell, OAI.Thomason.DirectedComplex.Table

  6. def OAI.Thomason.Construction.DirectedComplex.Cell.ofAccepted line 63

    Source documentation

    Express a positive table in the Boolean-face presentation.

    def ofAccepted (x : Thomason.DirectedComplex.Table K.toAccepted) : Cell K where
    …

    Mentions: OAI.Thomason.DirectedComplex.Table, OAI.Thomason.Construction.DirectedComplex.Cell

  7. def OAI.Thomason.Construction.DirectedComplex.Cell.acceptedEquiv line 71

    Source documentation

    The table conversion preserves all chains, including zero upper chains.

    def acceptedEquiv (K : DirectedComplex.{u}) : Cell K ≃ Thomason.DirectedComplex.Table K.toAccepted where
    …

    Mentions: OAI.Thomason.Construction.DirectedComplex.Cell, OAI.Thomason.DirectedComplex.Table

  8. theorem OAI.Thomason.Construction.DirectedComplex.Cell.toAccepted_face line 77
  9. theorem OAI.Thomason.Construction.DirectedComplex.Cell.ofAccepted_truncate line 82
  10. theorem OAI.Thomason.Construction.DirectedComplex.Cell.toAccepted_comp line 88
  11. theorem OAI.Thomason.Construction.DirectedComplex.Cell.toAccepted_map line 97
  12. def OAI.Thomason.Construction.DirectedComplex.realizationIso line 103

    Source documentation

    The two positive-table realizations are isomorphic as strict omega-categories.

    def realizationIso (K : DirectedComplex.{u}) :
        toOmega.obj K.realization ≅ K.toAccepted.nu where
    …
  13. theorem OAI.Thomason.Construction.DirectedComplex.realizationIso_naturality line 125

    Source documentation

    Realization of a positive chain map commutes with the presentation isomorphism.

    theorem realizationIso_naturality {K L : DirectedComplex.{u}} (f : Hom K L) :
        toOmega.map f.realization ≫ (realizationIso L).hom =
          (realizationIso K).hom ≫ f.toAccepted.nu := by
    …

    Mentions: OAI.Thomason.Construction.DirectedComplex.Hom, OAI.Thomason.Construction.DirectedComplex.realizationIso