Is D1Tuple — four anchor V window
ProvedD1Bound5.IsD1Tuple.four_anchor_V_windowdiophantine-tuplesnumber-theory
The V-window exclusion for an actual ordered D(1) sextuple. Nonvanishing, integrality, root signs and root-size estimates are all derived inside the theorem.
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 Mathlib.Tactic.Positivity import Definitions.Def_D1Bound5_IsD1Tuple
Formal statement
section
open Finset
open scoped NumberField
open Module
namespace D1Bound5
theorem _root_.D1Bound5.IsD1Tuple.four_anchor_V_window
{K : Type*} [Field K] [NumberField K] [NumberField.IsTotallyComplex K]
(hK : finrank ℚ K = 2) (phi : K →+* ℂ)
(a : Fin 6 → 𝓞 K) (ha : IsD1Tuple a)
(hmon : Monotone (fun i => ‖phi (a i : K)‖))
(hP : 1000 ≤ ‖phi (a 4 : K)‖)
(hTP : 4*‖phi (a 3 : K)‖ ≤ ‖phi (a 4 : K)‖)
(hQ : 4*‖phi (a 4 : K)‖ ≤ ‖phi (a 5 : K)‖)
(hsize : 32*‖phi (a 1 : K)‖*‖phi (a 2 : K)‖*‖phi (a 3 : K)‖/
‖phi (a 0 : K)‖^3 ≤ ‖phi (a 4 : K)‖^2) :
‖phi (a 5 : K)‖ < 101*‖phi (a 1 : K)‖^2*‖phi (a 3 : K)‖^4/
‖phi (a 4 : K)‖ ∨
(2/5 : ℝ)*‖phi (a 0 : K)‖^2*‖phi (a 4 : K)‖^5/
‖phi (a 3 : K)‖^2 < ‖phi (a 5 : K)‖ := by sorry
end D1Bound5
end
Source
D1Bound5/FourAnchorVWindow.lean, lines 41-107, SHA-256 745b5229447b46b23cd565d6e05245ce882a6a77d258e5d7beee2c8be63afe71. Project: https://github.com/tomislav-math/d1-bound5-lean