OAI/CategoryTheory/Thomason/Gray/FixedPathCylinders.lean

GitHub source file

9 declarations, 0 contain sorry, 0 declared as axioms

The singular cylinder description of fixed-endpoint path families

  1. theorem OAI.Thomason.Construction.singularCylinderMap_one line 18
  2. def OAI.Thomason.Construction.fixedPathFamily line 35
  3. def OAI.Thomason.Construction.fixedPathCylinder line 42
  4. theorem OAI.Thomason.Construction.fixedPathCylinder_evaluate line 46
  5. theorem OAI.Thomason.Construction.fixedPathCylinder_zero line 53
  6. theorem OAI.Thomason.Construction.fixedPathCylinder_one line 63
  7. theorem OAI.Thomason.Construction.fixedPathCylinder_naturality line 73
  8. theorem OAI.Thomason.Construction.fixedPathCylinder_postcomp line 85
  9. def OAI.Thomason.Construction.fixedPathRealization line 102

    Source documentation

    An evaluated cylinder with constant endpoints is a continuous family of paths with those endpoints.

    def fixedPathRealization {K : SSet.{0}} {X : TopCat.{0}} {x y : X}
        (e : K ⊗ Δ[1] ⟶ TopCat.toSSet.obj X)
        (h₀ : SSet.ι₀ ≫ e = SSet.const (TopCat.toSSetObj₀Equiv.symm x))
        (h₁ : SSet.ι₁ ≫ e = SSet.const (TopCat.toSSetObj₀Equiv.symm y)) :
        SSet.toTop.obj K ⟶ TopCat.of (Path x y) := TopCat.ofHom {
    …