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Full ring coherent two strong gap

Proved
D1Bound5.full_ring_coherent_two_strong_gap

by tp · Oct 23, 2026 · Mathlib 0df444a (Lean v4.33.1)

diophantine-tuplesnumber-theory

The strong two-anchor gap for genuine entries of the full ring of integers. Nonvanishing, coefficient integrality, coherent branch bounds, the complete homogeneous tail, and the integral modulus lower bound are all discharged by the proved preceding results.

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.Linarith
import Mathlib.Tactic.LinearCombination
import Definitions.Def_D1Bound5_IsD1

Formal statement
section
open Finset
open scoped NumberField
open Module

namespace D1Bound5






theorem _root_.D1Bound5.full_ring_coherent_two_strong_gap
    {K : Type*} [Field K] [NumberField K] [NumberField.IsTotallyComplex K]
    (hK : finrank ℚ K = 2) (phi : K →+* ℂ)
    {T : Finset (𝓞 K)} (hT : IsD1 T) {a b p q : 𝓞 K}
    (ha : a ∈ T) (hb : b ∈ T) (hp : p ∈ T) (hq : q ∈ T)
    (hab : a ≠ b) (hap : a ≠ p) (haq : a ≠ q)
    (hbp : b ≠ p) (hbq : b ≠ q) (hpq : p ≠ q)
    (eta : ℂ) (heta : eta ^ 2 = phi (p : K) * phi (q : K))
    (hAB : ‖phi (a : K)‖ ≤ ‖phi (b : K)‖)
    (hB : 3 ≤ ‖phi (b : K)‖) (hP : 5 * ‖phi (b : K)‖ ≤ ‖phi (p : K)‖)
    (hAP : 32 ≤ ‖phi (a : K)‖ * ‖phi (p : K)‖)
    (hQ : 5 * ‖phi (a : K)‖ * ‖phi (b : K)‖ * ‖phi (p : K)‖ ≤ ‖phi (q : K)‖)
    (hPQ : 10000 < ‖phi (p : K)‖ * ‖phi (q : K)‖) :
    ‖phi (a : K)‖ ^ 2 * ‖phi (p : K)‖ ^ 3 <
      (10001 / 10000 : ℝ) * ‖phi (q : K)‖ := by sorry

end D1Bound5
end
Source
D1Bound5/CoherentTwoGap.lean, lines 70-139, SHA-256 9b03b858f3c9928eaa8ca4f9e63d4ac4f91f397c8d8e6a3896dbdcf15993ec4f. Project: https://github.com/tomislav-math/d1-bound5-lean

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