OAI/Algebra/Finitistic/Bar/IndexedMultibarTotal.lean

GitHub source file

8 declarations, 0 contain sorry, 0 declared as axioms

  1. abbrev OAI.DerivedBar.RecursiveTotal.indexedModule line 21
  2. def OAI.DerivedBar.RecursiveTotal.indexedDifferential line 28

    Source documentation

    The independently recursive multibar faces in the exact Shape coordinates. This uses the horizontal/vertical differential of RecursiveTotal, not the count complex differential.

    def indexedDifferential (r n : ℕ) : indexedModule k D X N r (n+1) ⟶ indexedModule k D X N r n :=
    …

    Mentions: OAI.DerivedBar.RecursiveTotal.indexedModule

  3. theorem OAI.DerivedBar.RecursiveTotal.indexedDifferential_sq line 32
  4. def OAI.DerivedBar.RecursiveTotal.indexedMultibar line 39

    Source documentation

    Exact tensor-block coordinates, with the unshifted multibar total degree n.

    def indexedMultibar (r : ℕ) : ChainComplex (ModuleCat.{u} D) ℕ :=
    …
  5. def OAI.DerivedBar.RecursiveTotal.indexedFlatIso line 44

    Source documentation

    Chain isomorphism from the exact tensor-block direct sum to the recursive flat model.

    def indexedFlatIso (r : ℕ) : indexedMultibar k D X N r ≅ F r :=
    …

    Mentions: OAI.DerivedBar.RecursiveTotal.indexedMultibar

  6. def OAI.DerivedBar.RecursiveTotal.indexedLeadingIso line 58

    Source documentation

    Actual chain isomorphism flattening the recursive leading total into the same Shape-indexed block tensors as the square-zero count decomposition.

    def indexedLeadingIso (r : ℕ) : indexedMultibar k D X N r ≅
        barTotal k D (explicitMultibar k D X r Z) :=
    …

    Mentions: OAI.DerivedBar.RecursiveTotal.indexedMultibar, OAI.DerivedBar.barTotal, OAI.DerivedBar.explicitMultibar

  7. theorem OAI.DerivedBar.RecursiveTotal.indexedDifferential_on_generator line 64

    Source documentation

    Exact signed differential formula on a recursive generator, now in the literal Shape-indexed block coordinates. The vertical face includes (-1)^i.

    theorem indexedDifferential_on_generator (r n i q : ℕ) (h : i+q=n+1) (t : Index r q) :
        lof (B r) Z (r+1) (n+1) ⟨⟨⟨i,q⟩,h⟩,t⟩ ≫
          (moduleFlatCoordinates k D X N r (n+1)).hom ≫ indexedDifferential k D X N r n =
        (horizontal (B r) Z r n i q h t +
          vertical (B r) Z r n i q h t (differential (B r) Z r)) ≫
            (moduleFlatCoordinates k D X N r n).hom := by
    …

    Mentions: OAI.DerivedBar.RecursiveTotal.Index, OAI.DerivedBar.RecursiveTotal.lof, OAI.DerivedBar.RecursiveTotal.moduleFlatCoordinates, OAI.DerivedBar.RecursiveTotal.indexedDifferential, OAI.DerivedBar.RecursiveTotal.horizontal, OAI.DerivedBar.RecursiveTotal.vertical, OAI.DerivedBar.RecursiveTotal.differential

  8. def OAI.DerivedBar.RecursiveTotal.derivedIterateIndexedIso line 79

    Source documentation

    Genuine derived tensor iteration represented by the exact indexed block complex. No count splitting or projective-dimension statement is assumed.

    def derivedIterateIndexedIso (r : ℕ) :
        (derivedTensorIterate k D X r).obj ((chainQ D).obj Z) ≅
          (chainQ D).obj (indexedMultibar k D X N r) :=
    …

    Mentions: OAI.DerivedBar.derivedTensorIterate, OAI.DerivedBar.chainQ, OAI.DerivedBar.RecursiveTotal.indexedMultibar