OAI/Algebra/Finitistic/Bar/IndexedMultibarTotal.lean
8 declarations, 0 contain sorry, 0 declared as axioms
- abbrev
OAI.DerivedBar.RecursiveTotal.indexedModuleline 21 - def
OAI.DerivedBar.RecursiveTotal.indexedDifferentialline 28Source 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 := …
- theorem
OAI.DerivedBar.RecursiveTotal.indexedDifferential_sqline 32 - def
OAI.DerivedBar.RecursiveTotal.indexedMultibarline 39Source documentation
Exact tensor-block coordinates, with the unshifted multibar total degree n.
def indexedMultibar (r : ℕ) : ChainComplex (ModuleCat.{u} D) ℕ := … - def
OAI.DerivedBar.RecursiveTotal.indexedFlatIsoline 44Source 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 := …
- def
OAI.DerivedBar.RecursiveTotal.indexedLeadingIsoline 58Source 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
- theorem
OAI.DerivedBar.RecursiveTotal.indexedDifferential_on_generatorline 64Source 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
- def
OAI.DerivedBar.RecursiveTotal.derivedIterateIndexedIsoline 79Source 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