OAI/Algebra/Finitistic/Ordinary/OrdinarySimulationComparison.lean
6 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.LittleFinitistic.OrdinarySimulation.differential_transportline 14 - def
OAI.LittleFinitistic.OrdinarySimulation.restrictedShiftIsoline 21Source documentation
Align the finite resolution's degree n with the source's degree a+n.
def restrictedShiftIso : P.restriction (ComplexShape.embeddingUpIntGE a) ≅ (unsignedShift P (a+(l:ℤ))).restriction (TensorResolution.degreeEmbedding l) := …Mentions: OAI.LittleFinitistic.OrdinarySimulation.unsignedShift, OAI.LittleFinitistic.OrdinarySimulation.TensorResolution.degreeEmbedding
- theorem
OAI.LittleFinitistic.OrdinarySimulation.unsignedSupportline 35Source documentation
The lower support condition of the manuscript supplies strict support after reindexing.
theorem unsignedSupport (hP : ∀ n : ℤ, n < a → IsZero (P.X n)) : (unsignedShift P (a+(l:ℤ))).IsStrictlySupported (TensorResolution.degreeEmbedding l) := …Mentions: OAI.LittleFinitistic.OrdinarySimulation.unsignedShift, OAI.LittleFinitistic.OrdinarySimulation.TensorResolution.degreeEmbedding
- def
OAI.LittleFinitistic.OrdinarySimulation.computedTensorComplexline 50Source documentation
The computed BC-balanced tensor complex in degrees -l,...,0 with both B-actions.
def computedTensorComplex : CochainComplex (ModuleCat.{u} (Enveloping k B)) ℤ := …Mentions: OAI.LittleFinitistic.OrdinarySimulation.Enveloping
- def
OAI.LittleFinitistic.OrdinarySimulation.computedTensorIsoline 54Source documentation
Full bimodule chain comparison, including all zero terms and the genuine integer shift sign.
def computedTensorIso (hLower : ∀ n : ℤ, n < a → IsZero (P.X n)) (hUpper : ∀ n : ℕ, l < n → IsZero (P.X (a+(n:ℤ)))) : computedTensorComplex P a l ≅ P⟦a+(l:ℤ)⟧ := by …Mentions: OAI.LittleFinitistic.OrdinarySimulation.computedTensorComplex
- def
OAI.LittleFinitistic.OrdinarySimulation.sourceShiftComparisonline 65Source documentation
Exact source indexing: b=a+l, with only the manuscript's support hypothesis.
def sourceShiftComparison (b : ℤ) (hb : a+(l:ℤ)=b) (hP : ∀ n : ℤ, n < a ∨ b < n → IsZero (P.X n)) : computedTensorComplex P a l ≅ P⟦b⟧ := by …Mentions: OAI.LittleFinitistic.OrdinarySimulation.computedTensorComplex