openAI-math-dataset / lean /OAI /Geometry /Kahler /BaseDensityTheorem.lean
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Add lean source and binary files (part 69)
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import OAI.Geometry.Kahler.BaseDensityThreshold
namespace OAI
open Complex
open scoped ContDiff Matrix Matrix.Norms.Elementwise
open scoped ContDiff Matrix Matrix.Norms.Elementwise ComplexOrder
open scoped ContDiff ComplexOrder
open scoped ContDiff ENNReal
open Set Filter Topology MeasureTheory
open scoped ContDiff ENNReal Pointwise
open scoped ContDiff
open Set Filter Topology
noncomputable section
open Set Filter Topology MeasureTheory
open scoped ContDiff
namespace PinchedHartogs.BaseConstruction
theorem uniform_representing_densities {a : ℝ} (p : RadialProfiles a) :
∃ c K : ℝ, 0 < c ∧ 0 < K ∧ ∀ D : ℝ, 2*Real.sqrt (2*p.R) < D →
∀ kmin : ℕ, ∃ Q₀ : ℕ, ∀ Q : ℕ, Q₀ ≤ Q →
2 ≤ Q ∧ kmin ≤ Q ∧ ∀ P : ℕ → Finset Sphere,
(∀ j, ProjectivelySeparated (D/Real.sqrt (Q^(j+1):ℕ)) (P (Q^(j+1)))) →
∀ j, ContDiff ℝ ∞ (density Q p.R p.f p.b P j) ∧
DensityStage (density Q p.R p.f p.b P) Q c K j ∧
PhaseBandwidth (density Q p.R p.f p.b P j) (densityBandwidth Q j) ∧
OrbitMeanOne (density Q p.R p.f p.b P j) ∧
IsProbabilityMeasure (densityMeasure (density Q p.R p.f p.b P j)) ∧
Represents (densityMeasure (density Q p.R p.f p.b P j)) := by
obtain ⟨B,F₁,B₁,hB,hF₁,hB₁,hbv,hfd,hbd⟩ := p.bounds
obtain ⟨c,K,N,hc,hc1,hK,hN,hgap,hder⟩ := exists_density_constants p hB hF₁ hB₁
refine ⟨c,K,hc,hK,?_⟩
intro D hD kmin
have hev := density_conditions_eventually (C₁ := 2*(Real.exp K*(2/c))*4^N*Real.exp 2)
(R := p.R) (B := B) (D := 1+2*Real.sqrt (2*p.R)) hgap hder
have hnat := tendsto_natCast_atTop_atTop.eventually hev
obtain ⟨Q₁,hQ₁⟩ := eventually_atTop.mp hnat
obtain ⟨Q₂,hQ₂⟩ := exists_nat_ge (2*p.R)
refine ⟨max (max Q₁ Q₂) (max 2 kmin),?_⟩
intro Q hQ
have hQ1 : Q₁ ≤ Q := (le_max_left _ _).trans ((le_max_left _ _).trans hQ)
have hQ2 : Q₂ ≤ Q := (le_max_right _ _).trans ((le_max_left _ _).trans hQ)
have hQn : 2 ≤ Q := (le_max_left _ _).trans ((le_max_right _ _).trans hQ)
have hQk : kmin ≤ Q := (le_max_right _ _).trans ((le_max_right _ _).trans hQ)
have hQR : 2*p.R ≤ Q := hQ₂.trans (by exact_mod_cast hQ2)
obtain ⟨hH,hsmall,hphase,hsecond,hderH,hderT⟩ := hQ₁ Q hQ1
refine ⟨hQn,hQk,?_⟩
intro P hP j
have hq : 0 < Q := by omega
have hdis : ∀ i, (P (Q^(i+1)):Set Sphere).PairwiseDisjoint (peakPatch (Q^(i+1)) p.R) :=
fun i => peakPatch_disjoint (pow_pos hq _) p.R_pos hD (hP i)
have hstage := density_induction hQn p.R_pos p.cutoff_lt hQR p.F_nonneg hB hF₁ hB₁
(by nlinarith [Real.sqrt_nonneg (2*p.R)] : 1 ≤ 1+2*Real.sqrt (2*p.R)) (by linarith : 2*Real.sqrt (2*p.R) ≤ 1+2*Real.sqrt (2*p.R))
hc hc1 hK.le hN p.smooth_f p.smooth_b p.tail p.small hbv hfd hbd P hdis
hH hsmall hphase hsecond hderH hderT j
have hsm := density_smooth hq p.cutoff_lt p.smooth_f p.smooth_b p.tail P j
refine ⟨hsm,hstage,density_bandwidth hq p.cutoff_lt p.smooth_f p.smooth_b p.tail P j,
density_orbit_mean hQn p.cutoff_lt p.smooth_f p.smooth_b p.tail P j,?_,?_⟩
· exact densityMeasure_probability hsm.continuous (fun ξ => (hstage.positive ξ).le)
(density_mass_one hQn p.R_pos p.cutoff_lt p.smooth_f p.smooth_b p.ode p.b_zero p.tail P j)
· exact densityMeasure_represents hsm.continuous (fun ξ => (hstage.positive ξ).le)
(density_polynomial_moment hQn p.R_pos p.cutoff_lt p.smooth_f p.smooth_b p.ode p.b_zero p.tail P j)
end PinchedHartogs.BaseConstruction
end
end OAI