If two ideals of the same fixed tangent cell have equal strict transforms at the points of positive divisor multiplicity, and the first has the prescribed strict transforms at all datum points, then s
ProvedTypeDensity.cell_strict_transforms_agree_at_datum_pointstype-density
If two ideals of the same fixed tangent cell have equal strict transforms at the points of positive divisor multiplicity, and the first has the prescribed strict transforms at all datum points, then so does the second.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Formula_LawAlgebra import Definitions.Def_TypeDensity_Measure_AdicCylinders import Definitions.Def_TypeDensity_Measure_HenselProducts import Definitions.Def_TypeDensity_Surfaces_Lengths import Definitions.Def_TypeDensity_Surfaces_PowerSeries import Definitions.Def_TypeDensity_Formula_FiniteFieldCounts import Definitions.Def_TypeDensity_Formula_StateCombinatorics import Definitions.Def_TypeDensity_Blowup_Directions import Definitions.Def_TypeDensity_Unramified_Extension import Definitions.Def_TypeDensity_Blowup_Charts import Definitions.Def_TypeDensity_Algebra_AlgebraType import Definitions.Def_TypeDensity_Measure_PrimitiveLocus import Definitions.Def_TypeDensity_Algebra_FactorInvariant import Definitions.Def_TypeDensity_Surfaces_TruncatedSeries import Theorems.Thm_TypeDensity_directionPoint_properties import Theorems.Thm_TypeDensity_count_normalizedFactors_divisorAffinePolynomial import Theorems.Thm_TypeDensity_direction_point_overlap_maximal import Theorems.Thm_TypeDensity_infinity_point_maximal import Theorems.Thm_TypeDensity_reduced_form_eq_of_residue_coeff import Theorems.Thm_TypeDensity_fixed_tangent_cell_generator_coefficients import Theorems.Thm_TypeDensity_concrete_infinity_strict_transform_multiplicity import Theorems.Thm_TypeDensity_concrete_strict_transform_generators import Theorems.Thm_TypeDensity_concrete_strict_transform_multiplicity import Theorems.Thm_TypeDensity_strict_transform_common_point_transport import Theorems.Thm_TypeDensity_blowupChart_concrete_isNoetherianRing import Mathlib.FieldTheory.RatFunc.Basic import Mathlib.MeasureTheory.Measure.Haar.Unique import Mathlib.NumberTheory.ArithmeticFunction.Moebius import Mathlib.NumberTheory.Padics.PadicIntegers import Mathlib.RingTheory.IntegralClosure.IntegralRestrict import Mathlib.RingTheory.MvPowerSeries.Basic import Mathlib.RingTheory.RamificationInertia.Basic import Mathlib.Topology.Algebra.Nonarchimedean.AdicTopology import Mathlib.FieldTheory.Finite.GaloisField import Mathlib.RingTheory.AdicCompletion.Algebra import Mathlib.RingTheory.RegularLocalRing.Defs import Mathlib.Topology.Algebra.MvPolynomial import Mathlib.Algebra.Group.Pi.Units import Mathlib.Order.CompletePartialOrder import Mathlib.RingTheory.Henselian import Mathlib.RingTheory.Polynomial.Resultant.Basic import Mathlib.RingTheory.SimpleRing.Principal import Mathlib.FieldTheory.Finite.Extension import Mathlib.RingTheory.AdicCompletion.Noetherian import Mathlib.RingTheory.MvPowerSeries.Equiv import Mathlib.RingTheory.PicardGroup import Mathlib.FieldTheory.RatFunc.AsPolynomial import Mathlib.RingTheory.AdicCompletion.Completeness import Mathlib.Algebra.GroupWithZero.Submonoid.CancelMulZero import Mathlib.Algebra.Module.StablyFree.Basic import Mathlib.NumberTheory.Padics.RingHoms import Mathlib.Algebra.Azumaya.Basic import Mathlib.RingTheory.AdicCompletion.RingHom import Mathlib.RingTheory.TotallySplit import Mathlib.RingTheory.AdicCompletion.LocalRing import Mathlib.RingTheory.KrullDimension.NonZeroDivisors import Mathlib.Algebra.Group.NatPowAssoc set_option autoImplicit false open TypeDensity open scoped BigOperators ENNReal
Formal statement
theorem TypeDensity.cell_strict_transforms_agree_at_datum_points (O : Type) [CommRing O] [IsDomain O]
[IsDiscreteValuationRing O] [IsAdicComplete (IsLocalRing.maximalIdeal O) O]
[Finite (IsLocalRing.ResidueField O)] (pi : O) (hpi : Irreducible pi) (u : (TwoSeries O)ˣ)
(a b : ℕ) (ha : 0 < a) [IsDomain (ConcreteSurface O pi u a b)]
[IsRegularLocalRing (ConcreteSurface O pi u a b)]
(S : SurfaceData O (ConcreteSurface O pi u a b))
(hS : S.t = (surfaceT O pi u a b) ∧ S.x = (surfaceX O pi u a b) ∧ S.a = a ∧ S.b = b)
(e : ((BlowupChart (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b)) ⧸
chartExceptional (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b)) ≃+*
Polynomial (IsLocalRing.ResidueField (ConcreteSurface O pi u a b)))
(he : ∀ r : (ConcreteSurface O pi u a b), e
(Ideal.Quotient.mk
(chartExceptional (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b))
((chartBase (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b)) r)) =
Polynomial.C (IsLocalRing.residue (ConcreteSurface O pi u a b) r))
(heZ : e (Ideal.Quotient.mk
(chartExceptional (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b))
(chartSlope (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b))) =
Polynomial.X) (Dv : ExceptionalDivisor (IsLocalRing.ResidueField (ConcreteSurface O pi u a b)))
(hinf : (infinityPoint (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b)).IsPrime) (s : State) (d : ℕ) (J₁ J₂ : Ideal (ConcreteSurface O pi u a b))
(h₁ : J₁ ∈ (fixedTangentCell O (ConcreteSurface O pi u a b) S s d Dv))
(h₂ : J₂ ∈ (fixedTangentCell O (ConcreteSurface O pi u a b) S s d Dv))
(heq : ∀ Q : divisorSupport Dv, divisorStrictTransform (ConcreteSurface O pi u a b)
(surfaceT O pi u a b) (surfaceX O pi u a b) e Dv hinf d J₁ Q = divisorStrictTransform
(ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b) e Dv hinf d J₂ Q)
(beta : BlowupRestriction (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b))
(D : TwoChartCurveData (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b)
beta) (hm : MatchesDivisor e D Dv)
(hst₁ : ∀ s : D.ι ⊕ D.ι0, strictTransformAt (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b) (leftPoint D s) d J₁ = Ideal.span {leftData D s})
(hst₁r : ∀ s : D.ι ⊕ D.ιinf, strictTransformAt (ConcreteSurface O pi u a b)
(surfaceX O pi u a b) (surfaceT O pi u a b) (rightPoint D s) d J₁ = Ideal.span {rightData D s})
:
(∀ s : D.ι ⊕ D.ι0, strictTransformAt (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b) (leftPoint D s) d J₂ = Ideal.span {leftData D s}) ∧ ∀ s : D.ι ⊕ D.ιinf,
strictTransformAt (ConcreteSurface O pi u a b) (surfaceX O pi u a b) (surfaceT O pi u a b)
(rightPoint D s) d J₂ = Ideal.span {rightData D s} := by sorrySource
TypeDensity/Blowup/StrictNormalizer.lean#L1280-L1362