Coarse-graining support: Support.Book.Ch05.Theorems.Section57.BadPairNoLog #
Imported from the Apache-2.0 CoarseGraining development at commit
c7ddd76c08ade64fed1b8d2ca51be14dfee8deb4.
No-log fixed bad-pair probability bounds #
This file restarts the bad-scale tail proof after removing the exponent-loss route. The estimates here keep finite maxima as probability prefactors instead of putting logarithmic factors into the stochastic scale.
theorem
HCPolySupport.Book.Ch05.Section57.measureReal_shiftedHigh_badPairEvent_quenchedProbeEnvelope_le_card_mul_card_mul_exp_noLog
{d : ℕ}
[NeZero d]
{σ : ℝ}
(hσ_pos : 0 < σ)
(params : QuantitativeCoarseGrainedEllipticityParams d)
:
∃ (Cfluct : ℝ) (Centry : ℝ) (a : ℝ),
0 < Cfluct ∧ 0 < Centry ∧ 0 < a ∧ ∀ {t αbad : ℝ} {P : Ch04.RestrictionCoeffLaw d} (hP : Ch04.RestrictionLawCarrier P)
(hStruct : Ch04.RestrictionStructuralLaw P) (hΓ : GammaSigmaCoarseGrainedEllipticity P hP hStruct),
hΓ.sigma = σ →
hΓ.params = params →
∀ {q m n : ℕ},
have K := quenchedProbeEnvelopeConst d;
have x := αbad * ↑(m - q) - t * ↑(m - n);
have ell := ⌈(a * Real.log 3)⁻¹ * (Real.log (max (2 * K) 1) + x * Real.log 3)⌉₊;
have N0 := annealedAlgebraicEntryScale P hΓ.toQuantitativeCoarseGrainedEllipticity Centry;
have Hshift := fun (M N : ℕ) (aω : RegCoeffField d) =>
quenchedProbeEnvelope hP hStruct (N0 + M) (N0 + N) aω;
have D := descendantsAtScale (originCube d ↑(N0 + m)) ↑(N0 + n);
have S := Finset.univ;
have tau := min σ 2;
have scale := Cfluct * 3 ^ (-↑d / 2 * ↑(n - ell)) * hΓ.thetaHat ^ 2;
have T := Real.rpow 3 (-x);
have lam := T / (2 * K * scale);
ell < n →
n < m →
q ≤ m →
1 ≤ lam →
MeasureTheory.Measure.real P (badPairEvent Hshift t αbad q m n) ≤ ↑S.card * (↑D.card * Real.exp (-lam ^ tau))
High-range fixed bad-pair estimate with explicit finite-union prefactors and no logarithmic scale inflation.
theorem
HCPolySupport.Book.Ch05.Section57.shiftedHighBadPairProbability_le_cardSquaredExponential_annealedExponent
{d : ℕ}
[NeZero d]
(params : QuantitativeCoarseGrainedEllipticityParams d)
:
∃ (Centry : ℝ) (a : ℝ),
0 < Centry ∧ 0 < a ∧ ∀ {σ : ℝ},
0 < σ →
∃ (Cfluct : ℝ),
0 < Cfluct ∧ ∀ {t αbad : ℝ} {P : Ch04.RestrictionCoeffLaw d} (hP : Ch04.RestrictionLawCarrier P)
(hStruct : Ch04.RestrictionStructuralLaw P) (hΓ : GammaSigmaCoarseGrainedEllipticity P hP hStruct),
hΓ.sigma = σ →
hΓ.params = params →
∀ {q m n : ℕ},
have K := quenchedProbeEnvelopeConst d;
have x := αbad * ↑(m - q) - t * ↑(m - n);
have ell := ⌈(a * Real.log 3)⁻¹ * (Real.log (max (2 * K) 1) + x * Real.log 3)⌉₊;
have N0 := annealedAlgebraicEntryScale P hΓ.toQuantitativeCoarseGrainedEllipticity Centry;
have Hshift := fun (M N : ℕ) (aω : RegCoeffField d) =>
quenchedProbeEnvelope hP hStruct (N0 + M) (N0 + N) aω;
have D := descendantsAtScale (originCube d ↑(N0 + m)) ↑(N0 + n);
have S := Finset.univ;
have tau := min σ 2;
have scale := Cfluct * 3 ^ (-↑d / 2 * ↑(n - ell)) * hΓ.thetaHat ^ 2;
have T := Real.rpow 3 (-x);
have lam := T / (2 * K * scale);
ell < n →
n < m →
q ≤ m →
1 ≤ lam →
MeasureTheory.Measure.real P (badPairEvent Hshift t αbad q m n) ≤ ↑S.card * (↑D.card * Real.exp (-lam ^ tau))
Uniform-in-σ version of
measureReal_shiftedHigh_badPairEvent_quenchedProbeEnvelope_le_card_mul_card_mul_exp_noLog.
theorem
HCPolySupport.Book.Ch05.Section57.measureReal_shiftedCrude_badPairEvent_quenchedProbeEnvelope_le_card_mul_card_mul_exp_noLog
{d : ℕ}
[NeZero d]
{σ : ℝ}
(hσ_pos : 0 < σ)
(params : QuantitativeCoarseGrainedEllipticityParams d)
:
∃ (C : ℝ),
0 < C ∧ ∀ {t αbad : ℝ} {P : Ch04.RestrictionCoeffLaw d} (hP : Ch04.RestrictionLawCarrier P)
(hStruct : Ch04.RestrictionStructuralLaw P) (hΓ : GammaSigmaCoarseGrainedEllipticity P hP hStruct),
hΓ.sigma = σ →
hΓ.params = params →
∀ {N0 q m n : ℕ},
have K := quenchedProbeEnvelopeConst d;
have Hshift := fun (M N : ℕ) (aω : RegCoeffField d) =>
quenchedProbeEnvelope hP hStruct (N0 + M) (N0 + N) aω;
have x := αbad * ↑(m - q) - t * ↑(m - n);
have D := descendantsAtScale (originCube d ↑(N0 + m)) ↑(N0 + n);
have S := Finset.univ;
have scale := K * (C * hΓ.thetaHat ^ 2);
have T := Real.rpow 3 (-x);
have lam := T / scale;
n < m →
q ≤ m →
1 ≤ lam →
MeasureTheory.Measure.real P (badPairEvent Hshift t αbad q m n) ≤ ↑S.card * (↑D.card * Real.exp (-lam ^ σ))
Crude fixed bad-pair estimate with explicit finite-union prefactors and no logarithmic scale inflation.