OAI/Algebra/Finitistic/Localization/PresentedQuotientAction.lean
11 declarations, 0 contain sorry, 0 declared as axioms
- def
OAI.LittleFinitistic.QuadraticEncoding.relationPolynomialline 13Source documentation
The literal inhomogeneous relation polynomial.
def relationPolynomial (j : Fin t) : FreeAlgebra k (Fin d) := …
- def
OAI.LittleFinitistic.QuadraticEncoding.presentationRelationline 17 - abbrev
OAI.LittleFinitistic.QuadraticEncoding.PresentedAlgebraline 21Source documentation
The algebra with exactly the displayed finite quadratic presentation.
abbrev PresentedAlgebra := RingQuot (presentationRelation P)
Mentions: OAI.LittleFinitistic.QuadraticEncoding.presentationRelation
- def
OAI.LittleFinitistic.QuadraticEncoding.presentedGeneratorline 22 - theorem
OAI.LittleFinitistic.QuadraticEncoding.presentedGenerator_satisfiesline 25 - def
OAI.LittleFinitistic.QuadraticEncoding.presentationLiftline 34Source documentation
Descent through the actual presentation, with every relation checked.
def presentationLift (x : Fin d → A) (hx : P.Satisfies x) : PresentedAlgebra P →ₐ[k] A := …
Mentions: OAI.LittleFinitistic.QuadraticEncoding.PresentedAlgebra
- theorem
OAI.LittleFinitistic.QuadraticEncoding.presentationLift_generatorline 40 - def
OAI.LittleFinitistic.QuadraticEncoding.quotientActionline 45Source documentation
The manuscript's quotient action for its displayed presentation.
def quotientAction : PresentedAlgebra P →ₐ[k] End (vertexQ P 0) := …
Mentions: OAI.LittleFinitistic.QuadraticEncoding.PresentedAlgebra, OAI.LittleFinitistic.QuadraticEncoding.vertexQ
- theorem
OAI.LittleFinitistic.QuadraticEncoding.quotientAction_generatorline 48 - def
OAI.LittleFinitistic.QuadraticEncoding.quotientActionOfPresentationline 53Source documentation
Transport the action along a genuine presentation isomorphism for R.
def quotientActionOfPresentation (e : PresentedAlgebra P ≃ₐ[k] A) : A →ₐ[k] End (vertexQ P 0) := (quotientAction P).comp e.symm.toAlgHomMentions: OAI.LittleFinitistic.QuadraticEncoding.PresentedAlgebra, OAI.LittleFinitistic.QuadraticEncoding.vertexQ, OAI.LittleFinitistic.QuadraticEncoding.quotientAction
- theorem
OAI.LittleFinitistic.QuadraticEncoding.quotientActionOfPresentation_generatorline 56