OAI/Algebra/Finitistic/Rectification/SourceFiltrationComplex.lean

GitHub source file

8 declarations, 0 contain sorry, 0 declared as axioms

  1. theorem OAI.LittleFinitistic.ModuleComplexExact.comp_zero line 12
  2. def OAI.LittleFinitistic.ModuleComplexExact.sequence line 16
  3. theorem OAI.LittleFinitistic.ModuleComplexExact.shortExact line 19
  4. def OAI.ExternalTensor.Section4.SourceFiltration.Complex.source0 line 37
  5. def OAI.ExternalTensor.Section4.SourceFiltration.Complex.source1 line 41
  6. theorem OAI.ExternalTensor.Section4.SourceFiltration.Complex.source0_shortExact line 45
  7. theorem OAI.ExternalTensor.Section4.SourceFiltration.Complex.source1_shortExact line 50
  8. theorem OAI.ExternalTensor.Section4.SourceFiltration.Complex.vertex_shortExact line 54

    Source documentation

    Every original source filtration remains short exact after taking a left vertex.

    theorem vertex_shortExact (e : B) (he : e*e=e)
        (S : ShortComplex (BiComplex k B)) (hS : S.ShortExact) :
        (S.map ((BimoduleVertex.functor k B e).mapHomologicalComplex (.up ℤ))).ShortExact := by
    …

    Mentions: OAI.ExternalTensor.Section4.BiComplex