Structural facts on the coefficient space `O^n`: its Borel σ-algebra is generated by `π`-adic cylinders, the coefficient measure is a Haar probability measure, its `π`-adic quotients are finite, and s
ProvedTypeDensity.coefficient_space_strict_instancestype-density
Structural facts on the coefficient space O^n: its Borel σ-algebra is generated by π-adic cylinders, the coefficient measure is a Haar probability measure, its π-adic quotients are finite, and scaled linear maps are continuous.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Blowup_Directions import Definitions.Def_TypeDensity_Measure_AdicCylinders import Definitions.Def_TypeDensity_Measure_HenselProducts import Definitions.Def_TypeDensity_Surfaces_Lengths import Definitions.Def_TypeDensity_Unramified_Extension import Definitions.Def_TypeDensity_Blowup_Charts import Theorems.Thm_TypeDensity_finite_coordinate_borel_cylinders import Theorems.Thm_TypeDensity_finite_coordinate_linear_continuous import Theorems.Thm_TypeDensity_residue_quotient_card import Theorems.Thm_TypeDensity_coefficient_measure_probability 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.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.RegularLocalRing.Defs import Mathlib.RingTheory.SimpleRing.Principal import Mathlib.FieldTheory.Finite.Extension import Mathlib.RingTheory.AdicCompletion.Noetherian import Mathlib.RingTheory.MvPowerSeries.Equiv import Mathlib.RingTheory.PicardGroup set_option autoImplicit false open TypeDensity
Formal statement
theorem TypeDensity.coefficient_space_strict_instances (O : Type) [CommRing O] [IsDomain O]
[IsDiscreteValuationRing O] [IsAdicComplete (IsLocalRing.maximalIdeal O) O]
[Finite (IsLocalRing.ResidueField O)] [TopologicalSpace O] [IsTopologicalRing O]
[CompactSpace O] [T2Space O] [SecondCountableTopology O] [MeasurableSpace O] [BorelSpace O]
(htop : IsAdic (IsLocalRing.maximalIdeal O)) (pi : O) (hpi : Irreducible pi) (n : ℕ) :
(inferInstance : MeasurableSpace (Fin n → O)) = adicCylinderSpace (Ideal.span {pi}) (Fin n → O)
∧ MeasureTheory.Measure.IsAddHaarMeasure (coefficientMeasure O n) ∧
MeasureTheory.IsProbabilityMeasure (coefficientMeasure O n) ∧
(∀ j, Finite (AdicQuotient (Ideal.span {pi}) (Fin n → O) j)) ∧ ∀ (a : ℕ)
(L : (Fin n → O) →ₗ[O] (Fin n → O)), Continuous (fun z : Fin n → O => (pi^a) • L z) := by sorrySource
TypeDensity/Blowup/Charts.lean#L1039-L1069