One Small Row Membership full ring bound
ProvedD1Bound5.oneSmallRowMembership_full_ring_bounddiophantine-tuplesnumber-theory
Every bounded fourth-entry certificate transports to arbitrary actual full-ring entries through the same sign/conjugation normalization used in the complete first-triple classification.
Preamble
import Mathlib.Algebra.Group.Int.Units import Mathlib.Algebra.Polynomial.Monic import Mathlib.Algebra.QuadraticAlgebra.Basic import Mathlib.Algebra.Ring.Basic import Mathlib.Algebra.Ring.Equiv import Mathlib.Algebra.Squarefree.Basic import Mathlib.Analysis.Complex.Basic import Mathlib.Analysis.Complex.Norm import Mathlib.Analysis.Complex.Polynomial.Basic import Mathlib.Data.Fin.Tuple.Sort import Mathlib.Data.Finset.Card import Mathlib.Data.Finset.Prod import Mathlib.Data.Fintype.EquivFin import Mathlib.Data.Int.GCD import Mathlib.Data.Int.Interval import Mathlib.Data.Int.Sqrt import Mathlib.Data.List.Range import Mathlib.LinearAlgebra.Dimension.Free import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex import Mathlib.NumberTheory.NumberField.Norm import Mathlib.Tactic.FieldSimp import Mathlib.Tactic.IntervalCases import Mathlib.Tactic.Linarith import Mathlib.Tactic.LinearCombination import Mathlib.Tactic.Ring import Definitions.Def_D1Bound5_Coordinates_Definitions import Definitions.Def_D1Bound5_OneSmallRows_Definitions import Definitions.Def_D1Bound5_SmallExtensionSymmetry_Definitions
Formal statement
section
open scoped NumberField Classical
open Module
namespace D1Bound5
open QuadInt
theorem _root_.D1Bound5.oneSmallRowMembership_full_ring_bound
{K : Type*} [Field K] [NumberField K] [NumberField.IsTotallyComplex K]
{tau nu : ℤ} (e : QuadInt tau nu ≃+* 𝓞 K) (phi : K →+* ℂ)
(sgn conj : Bool) (a b s z : 𝓞 K) (cutoff : ℤ)
(hrow : OneSmallRowMembership
(smallExtensionSymmetry sgn conj (e.symm a))
(smallExtensionSymmetry sgn conj (e.symm b))
(smallExtensionSymmetry sgn conj (e.symm s)) cutoff)
(hz : ‖phi (z : K)‖^2 < (cutoff : ℝ))
(ha : ∃ q : 𝓞 K, q*q = a*z+1) (hb : ∃ q : 𝓞 K, q*q = b*z+1)
(hs : ∃ q : 𝓞 K, q*q = s*z+1) :
‖phi (z : K)‖^2 ≤ 4*‖phi (b : K)‖^2*‖phi (s : K)‖^2 := by sorry
end D1Bound5
end
Source
D1Bound5/OneSmallFullRingFinite.lean, lines 49-84, SHA-256 c38fd48e9b736d57c9245c63903e03393e9c506b12b4772b6531ad1bbd5204fe. Project: https://github.com/tomislav-math/d1-bound5-lean