Coherent three separated bounds
ProvedD1Bound5.coherent_three_separated_boundsdiophantine-tuplesnumber-theory
The stronger three-anchor estimate used for the V window. The factor 3/4 comes from terminal separation and the parameter-1000 tail.
Preamble
import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Algebra.QuadraticAlgebra.Basic import Mathlib.Algebra.Ring.Basic import Mathlib.Algebra.Ring.Equiv import Mathlib.Analysis.Analytic.Binomial import Mathlib.Analysis.Complex.Basic import Mathlib.Analysis.Complex.Norm import Mathlib.Analysis.Normed.Ring.Basic import Mathlib.Analysis.SpecificLimits.Normed import Mathlib.Data.Fin.VecNotation import Mathlib.Data.Finset.Card import Mathlib.Data.Finset.Insert import Mathlib.Data.Int.GCD import Mathlib.Data.Sym.Basic import Mathlib.Data.Sym.Card import Mathlib.LinearAlgebra.Dimension.Free import Mathlib.LinearAlgebra.Lagrange import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex import Mathlib.NumberTheory.NumberField.Norm import Mathlib.RingTheory.Binomial import Mathlib.RingTheory.MvPolynomial.Symmetric.Defs import Mathlib.Tactic.ComputeDegree import Mathlib.Tactic.Linarith import Mathlib.Tactic.LinearCombination import Definitions.Def_D1Bound5_CoherentIntegralForms_Definitions import Definitions.Def_D1Bound5_CoherentPolynomialWeights_Definitions import Definitions.Def_D1Bound5_CoherentQuotientForms_Definitions
Formal statement
section
open Finset
namespace D1Bound5
theorem _root_.D1Bound5.coherent_three_separated_bounds
(a : Fin 3 → ℂ) (p q eta : ℂ) (hinj : Function.Injective a)
(hA : 0 < ‖a 0‖) (hAB : ‖a 0‖ ≤ ‖a 1‖) (hBS : ‖a 1‖ ≤ ‖a 2‖)
(hP : 0 < ‖p‖) (hAP : 1000 ≤ ‖a 0‖*‖p‖)
(hQ : 4*‖p‖ ≤ ‖q‖) (hPQ : 10000 < ‖p‖*‖q‖)
(heta : eta^2 = p*q) :
‖coherentQuotientForm a (coherentVandermonde3 a) p q eta‖ <
5*‖a 1‖*‖a 2‖^2/‖coherentTerminalRoot p q eta‖ +
3*‖a 2‖*‖coherentTerminalRoot p q eta‖/(4*‖a 0‖*‖p‖^3) ∧
(coherentQuotientForm a (coherentVandermonde3 a) p q eta = 0 →
5*‖a 0‖*‖a 1‖*‖a 2‖*‖p‖^2 < ‖q‖ ∧
‖q‖ < 15*‖a 0‖*‖a 1‖*‖a 2‖*‖p‖^2) := by sorry
end D1Bound5
end
Source
D1Bound5/CoherentThreeSeparated.lean, lines 18-78, SHA-256 59ed14d9f5e2f81a9db661347cad4ddf2d3b2b7ec38892dfe2a054a970e09ed2. Project: https://github.com/tomislav-math/d1-bound5-lean