OAI/Algebra/Finitistic/Selected/SelectedCohomologyVanishing.lean
2 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.LittleFinitistic.SelectedCohomologyVanishing.module_isZeroline 13Source documentation
The three actual vertex functors jointly detect a zero module.
theorem module_isZero (M : ModuleCat.{u} (B P)) (h : ∀ i : Fin 3, IsZero ((LeftVertexHomology.vertex k (B P) (ThreeVertexAlgebra.vertex (composition P) i)).obj M)) : IsZero M := by …Mentions: OAI.LittleFinitistic.LeftVertexHomology.vertex, OAI.LittleFinitistic.ThreeVertexAlgebra.vertex
- theorem
OAI.LittleFinitistic.SelectedCohomologyVanishing.cohomology_isZeroline 32Source documentation
Vanishing on all three evaluated representatives gives actual cohomology vanishing of the fixed selecting tensor as a B-module.
theorem cohomology_isZero (n : ℤ) (h : ∀ v : Fin 3, IsZero ((SelectedTensor.source N v).homology n)) : IsZero ((SelectedTensor.complex N).homology n) := by …Mentions: OAI.LittleFinitistic.SelectedTensor.source, OAI.LittleFinitistic.SelectedTensor.complex