OAI/Algebra/Finitistic/Bar/BarCoordinateNaturality.lean
4 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.DerivedBar.Multibar.freeBarObjIso_dline 16Source documentation
The categorical free-bar differential is the supplied-scalars literal one.
theorem freeBarObjIso_d (n : ℕ) : ((barFunctor k D).obj (ModuleCat.of D V)).d (n+1) n ≫ (freeBarObjIso k D V n).hom = (freeBarObjIso k D V (n+1)).hom ≫ ModuleCat.ofHom (DerivedBar.differential k D V (n+1)) := by …Mentions: OAI.DerivedBar.barFunctor, OAI.DerivedBar.Multibar.freeBarObjIso, OAI.DerivedBar.differential
- theorem
OAI.DerivedBar.Multibar.twoSidedBarObjIso_dline 27Source documentation
The X-bar differential retains the original noncommutative bimodule actions.
theorem twoSidedBarObjIso_d (n : ℕ) : ((BimoduleTensor.twoSidedBarFunctor k D X).obj (ModuleCat.of D V)).d (n+1) n ≫ (twoSidedBarObjIso k D X V n).hom = (twoSidedBarObjIso k D X V (n+1)).hom ≫ ModuleCat.ofHom (BimoduleTensor.barDifferential k D X V n) := by …Mentions: OAI.DerivedBar.BimoduleTensor.twoSidedBarFunctor, OAI.DerivedBar.Multibar.twoSidedBarObjIso, OAI.DerivedBar.BimoduleTensor.barDifferential
- theorem
OAI.DerivedBar.Multibar.freeBarObjIso_mapline 38Source documentation
Scalar coherence is natural for every D-linear map of input modules.
theorem freeBarObjIso_map (f : V →ₗ[D] W) (n : ℕ) : ((barFunctor k D).map (ModuleCat.ofHom f)).f n ≫ (freeBarObjIso k D W n).hom = (freeBarObjIso k D V n).hom ≫ ModuleCat.ofHom (termMap k D V W f (n+1)) := by …Mentions: OAI.DerivedBar.barFunctor, OAI.DerivedBar.Multibar.freeBarObjIso, OAI.DerivedBar.termMap
- theorem
OAI.DerivedBar.Multibar.twoSidedBarObjIso_mapline 48Source documentation
All vertical maps of the categorical X bar become literal tensor maps.
theorem twoSidedBarObjIso_map (f : V →ₗ[D] W) (n : ℕ) : ((BimoduleTensor.twoSidedBarFunctor k D X).map (ModuleCat.ofHom f)).f n ≫ (twoSidedBarObjIso k D X W n).hom = (twoSidedBarObjIso k D X V n).hom ≫ ModuleCat.ofHom (AlgebraTensorModule.lTensor D X ((termMap k D V W f n).restrictScalars k)) := by …Mentions: OAI.DerivedBar.BimoduleTensor.twoSidedBarFunctor, OAI.DerivedBar.Multibar.twoSidedBarObjIso, OAI.DerivedBar.termMap