The strict transforms of a curve `(f)` at the points of two-chart curve data are the prescribed local equations.
ProvedTypeDensity.concrete_strict_transforms_are_prescribedtype-density
The strict transforms of a curve (f) at the points of two-chart curve data are the prescribed local equations.
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_strict_transform_left_point_equation import Theorems.Thm_TypeDensity_principal_ideal_image import Theorems.Thm_TypeDensity_global_function_strict_transform_at_right_point import Theorems.Thm_TypeDensity_chartBase_apply_eq_algebraMap import Theorems.Thm_TypeDensity_span_pow_mul_colon_eq import Theorems.Thm_TypeDensity_two_chart_datum_concrete_instances import Theorems.Thm_TypeDensity_two_chart_datum_concrete_transverse import Theorems.Thm_TypeDensity_concrete_surface_parameterIdeal_isMaximal 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 ENNReal
Formal statement
theorem TypeDensity.concrete_strict_transforms_are_prescribed (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) (f : ConcreteSurface O pi u a b)
(G : GluedGenerators (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b) beta (curveDataDegree D))
(hf : ∀ j : ℕ,
surfaceToCechInput (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b) j f =
(cechInputLattice (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b) j).mkQ
(gluedFunctionPair (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b) G j))
(hG : ∀ j : ℕ,
Ideal.span
{Ideal.Quotient.mk
((chartExceptional (ConcreteSurface O pi u a b) (surfaceT O pi u a b)
(surfaceX O pi u a b))^j) (G.left j)} = leftLevelKernel D j ∧ Ideal.span
{Ideal.Quotient.mk
((chartExceptional (ConcreteSurface O pi u a b) (surfaceX O pi u a b)
(surfaceT O pi u a b))^j) (G.right j)} = rightLevelKernel D j) :
(∀ 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) (curveDataDegree D) (Ideal.span {f}) = 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) (curveDataDegree D) (Ideal.span {f}) = Ideal.span {rightData D s} := by sorrySource
TypeDensity/Surfaces/ConcreteStrictTransforms.lean#L428-L478