File size: 8,943 Bytes
7f37411
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
import Mathlib
import OAI.MeasureTheory.Falconer.Estimates.ActualOuterMasks
import OAI.MeasureTheory.Falconer.Model
import OAI.MeasureTheory.Falconer.Recursion.Ledger
import OAI.MeasureTheory.Falconer.Recursion.PolicyDescriptors
import OAI.MeasureTheory.FalconerCompletion.Graphs.AssemblyRootGraph

namespace OAI

/-! Angular cutoffs and derivative estimates. -/

open _root_.OAI.PlanarFalconer

section
section
open Set MeasureTheory
open scoped ComplexConjugate RealInnerProductSpace
namespace GraphLiteralSupport.CurrentFalconer.TreeND
open Set MeasureTheory Filter PlanarFalconer
open scoped ContDiff Classical
variable {n : ℕ}

theorem actual_two_profile_outer_angular_bound (hn : 1≤n) (Ctest : ℝ) :
    ∃ Cd : ℝ,0≤Cd ∧ ∀ (chi beta sig kap eta : ℝ),
      0<chi → 0<beta → beta < min (chi/10) (1/10) →
      0<kap → kap≤1/1000 → 0<sig → sig<kap/1000 →
      beta+(n+4:ℝ)*sig<chi/4 → 0<eta →
      ∀ (W : Finset (List (EuclideanSpace ℝ (Fin (n+1)) →L[ℝ] EuclideanSpace ℝ (Fin (n+1)))))
        (B total : ℕ), (∀ L∈W,L.length≤B) →
      ∀ (Ψ : ℝ → ℝ), ContDiff ℝ ∞ Ψ → tsupport Ψ⊆Ioo (1/4:ℝ) 4 →
        (∀ r,0≤Ψ r) → (∀ r∈Icc (1/2:ℝ) 2,1≤Ψ r) →
      ∀ (ψ : EuclideanSpace ℝ (Fin (n+1)) → ℂ), ContDiff ℝ ∞ ψ →
        (∀ w,‖w‖=1 → ‖ψ w‖≤1) →
      ∃ M : ℕ,∀ Cq : ℝ,0≤Cq → ∃ N₀ : ℕ,∀ N≥N₀,
      ∀ (ρ ν : Measure (EuclideanSpace ℝ (Fin (n+1)))) (B₀ : ℕ) (m₁ m₂ : ℝ → ℝ),
        RegularizedProfileData ρ N B₀ ((n+1:ℝ)/2+chi) sig m₁ →
        RegularizedProfileData ν N B₀ ((n+1:ℝ)/2+chi) sig m₂ →
        ρ (treeCell [])=1 → ν (treeCell [])=1 →
      let e₁ : RecursiveEnvironmentND n := ⟨ρ,m₁,N,sourcePolicyBlock N kap,sourceSmoothingLevels sig kap,sig,Ctest⟩
      let e₂ : RecursiveEnvironmentND n := ⟨ν,m₂,N,sourcePolicyBlock N kap,sourceSmoothingLevels sig kap,sig,Ctest⟩
      let c := GraphLiteralSupport.CurrentFalconer.entryDepthND (fun j : Fin 2 => if j=0 then e₁.profile else e₂.profile) N beta
      ∀ (L₁ L₂ : PolicyDescriptor → List (EuclideanSpace ℝ (Fin (n+1)) →L[ℝ] EuclideanSpace ℝ (Fin (n+1))))
        (f g : EuclideanSpace ℝ (Fin (n+1)) → ℂ)
        (Q P : SmoothFunctionND (EuclideanSpace ℝ (Fin (n+1)))),
        Measurable f → Measurable g → (∀ x,‖f x‖≤1) → (∀ x,‖g x‖≤1) →
        (∀ b∈assemblyDescriptorList e₁.profile N e₁.q c,L₁ b∈W) →
        (∀ b∈assemblyDescriptorList e₂.profile N e₂.q c,L₂ b∈W) →
        (∑ b∈assemblyDescriptorList e₁.profile N e₁.q c,(L₁ b).length)≤total →
        (∑ b∈assemblyDescriptorList e₂.profile N e₂.q c,(L₂ b).length)≤total →
        (∀ j≤M,∀ w,‖w‖=1 → ‖iteratedFDeriv ℝ j Q.1 w‖≤Cq) →
        (∀ j≤M,∀ w,‖w‖=1 → ‖iteratedFDeriv ℝ j P.1 w‖≤Cq) →
      assemblyRootEnergy e₁ e₂ c L₁ L₂ f g Q P Ψ ψ ≤
        ((2:ℝ)^N)^(-beta+Cd*(kap+sig/kap)+eta)
 := by
  let Dloss : ℝ := |Ctest|+100*(n+2:ℝ)
  let Cd : ℝ := profileDimLoss n Ctest+Dloss
  have hDloss : 0≤Dloss := by dsimp [Dloss]; positivity
  have hCd : 0≤Cd := add_nonneg (profileDimLoss_nonneg n Ctest) hDloss
  refine ⟨Cd,hCd,?_⟩
  intro chi beta sig kap eta hchi hbeta hbetasm hkap hkap1 hsig hsigkap hsmall heta
    W B total hW Ψ hΨ hsupp hΨ0 hΨ1 ψ hψ hψ1
  have hbeta1 : beta<1/10 := hbetasm.trans_le (min_le_right _ _)
  have hkap1' : kap≤1 := by linarith only [hkap1]
  have hsig1 : sig≤1/100 := by linarith only [hsigkap,hkap1]
  obtain ⟨D,hD,N₁,hN₁,hchild⟩ := uniform_assembly_child_max hn Ctest hsig hkap hkap1' hsigkap
    (show 0<eta/4 by positivity) W B total hW Ψ hΨ hsupp hΨ0 hΨ1
  obtain ⟨M,hgraph⟩ := uniform_assembly_root_graph Ctest hsig hsig1
    (sourceSmoothingLevels_pos hsig hkap) W B total hW Ψ hΨ hsupp hΨ0 ψ hψ hψ1
  refine ⟨M,?_⟩
  intro Cq hCq
  obtain ⟨Cerr,hCerr,N₂,hgraph⟩ := hgraph Cq hCq
  obtain ⟨N₃,hconst⟩ := fixed_constant_absorbed (show 0<eta/2 by positivity) ((Cq*D^B)^4+Cerr)
  obtain ⟨N₄,hN₄⟩ := exists_nat_ge ((n+1:ℝ)/(eta/4))
  obtain ⟨N₅,hN₅⟩ := exists_nat_ge ((n+1:ℝ)/beta)
  refine ⟨max 1000 (max N₁ (max N₂ (max N₃ (max N₄ N₅)))),?_⟩
  intro N hN ρ ν B₀ m₁ m₂ hd₁ hd₂ hroot₁ hroot₂ e₁ e₂ c
    L₁ L₂ f g Q P hf hg hfn hgn hL₁ hL₂ ht₁ ht₂ hQ hP
  have hNp : 0<N := by omega
  have hNR : 0<(N:ℝ) := by exact_mod_cast hNp
  have hq : 0<sourcePolicyBlock N kap := sourcePolicyBlock_pos hNp hkap
  have heN : e₂.N=e₁.N := rfl
  have hentry := assembly_entry_estimates hn e₁ e₂ heN (by change 1000≤N; omega)
    hd₁ hd₂ hchi hbeta hbeta1 hsmall hkap hkap1 rfl rfl
  change ⌊beta*(N:ℝ)/(n+1:ℝ)⌋₊≤c ∧ (c:ℝ)<(N:ℝ)/4 ∧ c+100*e₁.q<N ∧ _ at hentry
  have hfloor : 1≤⌊beta*(N:ℝ)/(n+1:ℝ)⌋₊ := by
    apply (Nat.le_floor_iff (by positivity : 0≤beta*(N:ℝ)/(n+1:ℝ))).mpr
    have hN5 : (N₅:ℝ)≤N := by exact_mod_cast (show N₅≤N by omega)
    have hh := (div_le_iff₀ hbeta).mp (hN₅.trans hN5)
    apply (le_div_iff₀ (by positivity : 0<(n+1:ℝ))).mpr
    norm_num
    nlinarith only [hh]
  have hcpos : 0<c := by omega
  have hQ0 : ∀ w,‖w‖=1 → ‖Q.1 w‖≤Cq := by
    intro w hw
    simpa only [norm_iteratedFDeriv_zero] using hQ 0 (Nat.zero_le _) w hw
  have hP0 : ∀ w,‖w‖=1 → ‖P.1 w‖≤Cq := by
    intro w hw
    simpa only [norm_iteratedFDeriv_zero] using hP 0 (Nat.zero_le _) w hw
  have hch := hchild e₁ e₂ (by change N₁≤N;omega) rfl rfl rfl rfl rfl rfl rfl rfl rfl
    B₀ ((n+1:ℝ)/2+chi) ((n+1:ℝ)/2+chi) hd₁ hd₂ c hentry.2.2.1
    L₁ L₂ f g Q P Cq hf hg hfn hgn hL₁ hL₂ ht₁ ht₂ hQ0 hP0
  have hgr := hgraph e₁ e₂ (by change N₂≤N;omega) rfl rfl rfl rfl rfl rfl rfl hq hq
    B₀ ((n+1:ℝ)/2+chi) ((n+1:ℝ)/2+chi) hd₁ hd₂ hroot₁ hroot₂
    c hcpos hentry.2.1 L₁ L₂ f g Q P hf hg hfn hgn hL₁ hL₂ ht₁ ht₂ hQ hP
  let R : ℝ := (2:ℝ)^N
  let u : ℝ := -e₁.profile c-e₂.profile c+min (height e₁.profile 0 c) (height e₂.profile 0 c)+
    (Ctest+36*(n+1:ℝ)+5)*sig
  let v : ℝ := (assemblyProfileExponent e₁ c+assemblyProfileExponent e₂ c)/2+
    profileDimLoss n Ctest*(kap+sig/kap)+eta/4
  let G : ℝ := -beta+Cd*(kap+sig/kap)
  have hR : 1≤R := one_le_pow₀ (by norm_num)
  have hRp : 0<R := by dsimp [R]; positivity
  have hcorr : (n+1:ℝ)/(N:ℝ)≤eta/4 := by
    apply (div_le_iff₀ hNR).mpr
    have hN4 : (N₄:ℝ)≤N := by exact_mod_cast (show N₄≤N by omega)
    have hh := (div_le_iff₀ (show 0<eta/4 by positivity)).mp (hN₄.trans hN4)
    nlinarith only [hh]
  have hsigloss : sig≤kap+sig/kap := by
    have hh : sig ≤ sig/kap := by
      apply (le_div_iff₀ hkap).mpr
      nlinarith only [hkap1',hsig]
    linarith only [hh,hkap]
  have hcoefficient : (n+4:ℝ)+Ctest+36*(n+1:ℝ)+5≤Dloss := by
    have hn0 := Nat.cast_nonneg (α:=ℝ) n
    have hC := le_abs_self Ctest
    dsimp only [Dloss]
    linarith only [hn0,hC]
  have hcf : ((n+4:ℝ)+Ctest+36*(n+1:ℝ)+5)*sig≤Dloss*(kap+sig/kap) :=
    (mul_le_mul_of_nonneg_right hcoefficient hsig.le).trans (mul_le_mul_of_nonneg_left hsigloss hDloss)
  have huv : u+v≤G+eta/2 := by
    have he := hentry.2.2.2
    change -e₁.profile c-e₂.profile c+min (height e₁.profile 0 c) (height e₂.profile 0 c)+
      (assemblyProfileExponent e₁ c+assemblyProfileExponent e₂ c)/2≤-beta+(n+4:ℝ)*sig+(n+1:ℝ)/N at he
    dsimp only [u,v,G,Cd]
    nlinarith only [he,hcorr,hcf]
  have herr : (-2:ℝ)≤G+eta/2 := by
    have hpos : 0≤Cd*(kap+sig/kap) := mul_nonneg hCd (by positivity)
    dsimp only [G]
    linarith only [hbeta1,hpos,heta]
  have hnum : (Cq*D^B)^4+Cerr≤R^(eta/2) := hconst N (by omega)
  change assemblyRootEnergy e₁ e₂ c L₁ L₂ f g Q P Ψ ψ≤R^(G+eta)
  change assemblyRootEnergy e₁ e₂ c L₁ L₂ f g Q P Ψ ψ≤R^u*_+Cerr*R^(-2:ℝ) at hgr
  change _≤(Cq*D^B)^4*R^v at hch
  calc
    assemblyRootEnergy e₁ e₂ c L₁ L₂ f g Q P Ψ ψ
      ≤R^u*((Cq*D^B)^4*R^v)+Cerr*R^(-2:ℝ) :=
      hgr.trans (add_le_add (mul_le_mul_of_nonneg_left hch (Real.rpow_nonneg hRp.le _)) le_rfl)
    _=(Cq*D^B)^4*R^(u+v)+Cerr*R^(-2:ℝ) := by rw [Real.rpow_add hRp u v]; ring
    _≤(Cq*D^B)^4*R^(G+eta/2)+Cerr*R^(G+eta/2) :=
      add_le_add (mul_le_mul_of_nonneg_left (Real.rpow_le_rpow_of_exponent_le hR huv) (by positivity))
        (mul_le_mul_of_nonneg_left (Real.rpow_le_rpow_of_exponent_le hR herr) hCerr)
    _=((Cq*D^B)^4+Cerr)*R^(G+eta/2) := by ring
    _≤R^(eta/2)*R^(G+eta/2) := mul_le_mul_of_nonneg_right hnum (Real.rpow_nonneg hRp.le _)
    _=R^(G+eta) := by rw [←Real.rpow_add hRp]; congr 1; ring

end GraphLiteralSupport.CurrentFalconer.TreeND
end
end

end OAI