The strict transforms in two-chart curve data on the blow-up of the concrete surface are transverse to the exceptional divisor at every point.
ProvedTypeDensity.two_chart_datum_concrete_transversetype-density
The strict transforms in two-chart curve data on the blow-up of the concrete surface are transverse to the exceptional divisor at every point.
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 Definitions.Def_TypeDensity_Blowup_TwoChartCurveData import Definitions.Def_TypeDensity_Surfaces_ConcreteAtlas import Theorems.Thm_TypeDensity_beta_right_chartBase_self import Theorems.Thm_TypeDensity_two_chart_left_data_transverse_finite import Theorems.Thm_TypeDensity_two_chart_left_points_maximal import Theorems.Thm_TypeDensity_two_chart_right_data_transverse_finite import Theorems.Thm_TypeDensity_two_chart_right_points_maximal import Theorems.Thm_TypeDensity_concrete_surface_quotient_T_equiv import Theorems.Thm_TypeDensity_concrete_left_point_completion_is_surface import Theorems.Thm_TypeDensity_concrete_infinity_point_completion import Theorems.Thm_TypeDensity_concrete_surface_isNoetherianRing import Theorems.Thm_TypeDensity_concrete_surface_equiv_curve_length_and_regular import Theorems.Thm_TypeDensity_concrete_surface_parameterIdeal_isMaximal import Theorems.Thm_TypeDensity_finite_completed_point_quotient_surjective 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 ENNReal
Formal statement
theorem TypeDensity.two_chart_datum_concrete_transverse (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)
(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) :
(∀ s : D.ι ⊕ D.ι0,
Function.Injective
(fun w : (CompletedLocalAt ((BlowupChart (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b))) (leftPoint D s)) ⧸ Ideal.span
{(completedPointMap ((BlowupChart (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b))) (leftPoint D s))
((chartBase (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b)) (surfaceT O pi u a b))} =>
Ideal.Quotient.mk (Ideal.span {(completedPointMap ((BlowupChart (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b))) (leftPoint D s))
((chartBase (ConcreteSurface O pi u a b) (surfaceT O pi u a b) (surfaceX O pi u a b)) (surfaceT O pi u a b))}) (leftData D s) * w)) ∧
∀ s : D.ι ⊕ D.ιinf,
Function.Injective
(fun w : (CompletedLocalAt ((BlowupChart (ConcreteSurface O pi u a b) (surfaceX O pi u a b) (surfaceT O pi u a b))) (rightPoint D s)) ⧸ Ideal.span
{(completedPointMap ((BlowupChart (ConcreteSurface O pi u a b) (surfaceX O pi u a b) (surfaceT O pi u a b))) (rightPoint D s))
((chartBase (ConcreteSurface O pi u a b) (surfaceX O pi u a b) (surfaceT O pi u a b)) (surfaceX O pi u a b))} =>
Ideal.Quotient.mk (Ideal.span {(completedPointMap ((BlowupChart (ConcreteSurface O pi u a b) (surfaceX O pi u a b) (surfaceT O pi u a b))) (rightPoint D s))
((chartBase (ConcreteSurface O pi u a b) (surfaceX O pi u a b) (surfaceT O pi u a b)) (surfaceX O pi u a b))}) (rightData D s) * w) := by sorrySource
TypeDensity/Surfaces/ConcreteStrictTransforms.lean#L365-L426