OAI/Algebra/Finitistic/Dimension/PDResidueProjection.lean
15 declarations, 0 contain sorry, 0 declared as axioms
- def
OAI.LittleFinitistic.PDResidueProjection.InflatedResidueline 15 - instance
OAI.LittleFinitistic.PDResidueProjection.(instance at line 16)line 16 - instance
OAI.LittleFinitistic.PDResidueProjection.(instance at line 17)line 17 - instance
OAI.LittleFinitistic.PDResidueProjection.(instance at line 18)line 18 - instance
OAI.LittleFinitistic.PDResidueProjection.(instance at line 20)line 20 - instance
OAI.LittleFinitistic.PDResidueProjection.(instance at line 22)line 22 - instance
OAI.LittleFinitistic.PDResidueProjection.(instance at line 24)line 24 - def
OAI.LittleFinitistic.PDResidueProjection.mapline 30 - theorem
OAI.LittleFinitistic.PDResidueProjection.map_mkline 40 - def
OAI.LittleFinitistic.PDResidueProjection.equivline 44Source documentation
The radical quotient-ring comparison also respects the actual k action.
def equiv : PDTensor.Residue (A := A) ≃ₗ[k] InflatedResidue f := …
Mentions: OAI.LittleFinitistic.PDTensor.Residue, OAI.LittleFinitistic.PDResidueProjection.InflatedResidue
- def
OAI.LittleFinitistic.PDResidueProjection.rightEquivline 56Source documentation
Its right A action is precisely restriction through the canonical projection.
def rightEquiv : PDTensor.Residue (A := A) ≃ₗ[Aᵐᵒᵖ] InflatedResidue f where …
Mentions: OAI.LittleFinitistic.PDTensor.Residue, OAI.LittleFinitistic.PDResidueProjection.InflatedResidue
- def
OAI.LittleFinitistic.PDResidueProjection.tensorEquivline 67 - def
OAI.LittleFinitistic.PDResidueProjection.tensorNatIsoline 84Source documentation
The residue projection comparison is natural on all actual left A-modules.
def tensorNatIso : PDTensor.tensorFunctor k A (PDTensor.Residue (A := A)) ≅ …
Mentions: OAI.LittleFinitistic.PDTensor.tensorFunctor, OAI.LittleFinitistic.PDTensor.Residue
- def
OAI.LittleFinitistic.PDResidueProjection.resolutionIsoline 95 - def
OAI.LittleFinitistic.PDResidueProjection.torIsoline 102Source documentation
Actual derived residue tensor is unchanged by the proved right-module identification.
def torIso (n : ℕ) : PDTensor.Tor (k := k) (PDTensor.Residue (A := A)) M n ≅ …
Mentions: OAI.LittleFinitistic.PDTensor.Tor, OAI.LittleFinitistic.PDTensor.Residue