Product Four growth from bounds
ProvedD1Bound5.productFour_growth_from_boundsdiophantine-tuplesnumber-theory
The final numerical implication D > 2ABC, conditional on the integral determinant lower bound and the perturbative estimates.
Preamble
import Mathlib.Analysis.CStarAlgebra.Matrix import Mathlib.Analysis.Complex.Basic import Mathlib.Analysis.Complex.Polynomial.Basic import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecificLimits.Normed import Mathlib.Data.Complex.Basic import Mathlib.LinearAlgebra.Matrix.Determinant.Basic import Mathlib.LinearAlgebra.Matrix.NonsingularInverse import Mathlib.LinearAlgebra.Matrix.Permutation import Mathlib.LinearAlgebra.Matrix.SchurComplement import Mathlib.Tactic.FieldSimp import Mathlib.Tactic.FinCases import Mathlib.Tactic.Linarith import Mathlib.Tactic.LinearCombination import Mathlib.Tactic.NormNum import Mathlib.Tactic.Ring import Definitions.Def_D1Bound5_ProductFourNumericalClosure_Definitions
Formal statement
section
open scoped Matrix.Norms.L2Operator
open Matrix
namespace D1Bound5
theorem _root_.D1Bound5.productFour_growth_from_bounds
(F : Matrix (Fin 4) (Fin 4) ℂ) (w : Fin 4 → ℂ)
(A B C D : ℝ) (hD : 18 < D)
(hF : F.det ≠ 0)
(hdet : ‖F.det‖ < productFourH * productFourS^3)
(hadj : ‖F.adjugate‖ < productFourH * productFourS^2)
(hw : (∑ i, ‖w i‖^2) ≤ (13/12 : ℝ) * D^2)
(hlower : A*B*C*D ≤ ‖(F + Matrix.vecMulVec w w).det‖) :
2*A*B*C < D := by sorry
end D1Bound5
end
Source
D1Bound5/ProductFourNumericalClosure.lean, lines 55-74, SHA-256 fb992c197fe0f50a9f89f189349d42efc0b35d9ebec71e17006e6846eae15712. Project: https://github.com/tomislav-math/d1-bound5-lean