Is D1Tuple — unit pair finite field model
ProvedD1Bound5.IsD1Tuple.unit_pair_finite_field_modeldiophantine-tuplesnumber-theory
The exact finite-field reduction for the exceptional unit pair. The field range, parity and real Pell alternatives are derived from the actual sextuple; the retained model supplies the same parameter for all negative integer-square tests in the later graph certificate.
Preamble
import Lean.Elab.Tactic.Omega import Lean.Util.CollectAxioms import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.BigOperators.Group.Finset.Sigma import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Algebra.CharP.Frobenius import Mathlib.Algebra.CharP.Two import Mathlib.Algebra.CharZero.Infinite import Mathlib.Algebra.Group.Int.Units import Mathlib.Algebra.Order.Floor.Semiring import Mathlib.Algebra.Polynomial.BigOperators import Mathlib.Algebra.Polynomial.Degree.Operations import Mathlib.Algebra.Polynomial.Div import Mathlib.Algebra.Polynomial.Monic import Mathlib.Algebra.Polynomial.PartialFractions import Mathlib.Algebra.Polynomial.Reverse import Mathlib.Algebra.Polynomial.RingDivision import Mathlib.Algebra.Polynomial.Roots import Mathlib.Algebra.QuadraticAlgebra.Basic import Mathlib.Algebra.Ring.Basic import Mathlib.Algebra.Ring.Equiv import Mathlib.Algebra.Squarefree.Basic import Mathlib.Analysis.Analytic.Binomial import Mathlib.Analysis.CStarAlgebra.Matrix import Mathlib.Analysis.Complex.Basic import Mathlib.Analysis.Complex.Norm import Mathlib.Analysis.Complex.Polynomial.Basic import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.Normed.Group.Basic import Mathlib.Analysis.Normed.Ring.Basic import Mathlib.Analysis.Normed.Ring.InfiniteSum import Mathlib.Analysis.SpecialFunctions.Gaussian.GaussianIntegral import Mathlib.Analysis.SpecialFunctions.Log.Basic import Mathlib.Analysis.SpecialFunctions.Pow.Real import Mathlib.Analysis.SpecificLimits.Normed import Mathlib.Combinatorics.Enumerative.Catalan.Basic import Mathlib.Data.Complex.Basic import Mathlib.Data.Finset.Card import Mathlib.Data.Finset.Insert 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.Real.Basic import Mathlib.Data.Sym.Basic import Mathlib.Data.Sym.Card import Mathlib.Data.ZMod.Basic import Mathlib.LinearAlgebra.Dimension.Free import Mathlib.LinearAlgebra.Lagrange import Mathlib.LinearAlgebra.Matrix.Determinant.Basic import Mathlib.LinearAlgebra.Matrix.NonsingularInverse import Mathlib.LinearAlgebra.Matrix.Permutation import Mathlib.LinearAlgebra.Matrix.Polynomial import Mathlib.LinearAlgebra.Matrix.SchurComplement import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex import Mathlib.NumberTheory.NumberField.Norm import Mathlib.RingTheory.Binomial import Mathlib.RingTheory.MvPolynomial.Symmetric.Defs import Mathlib.RingTheory.PowerSeries.Binomial import Mathlib.RingTheory.PowerSeries.Trunc import Mathlib.Tactic import Mathlib.Tactic.FieldSimp import Mathlib.Tactic.FinCases import Mathlib.Tactic.GCongr import Mathlib.Tactic.IntervalCases import Mathlib.Tactic.Linarith import Mathlib.Tactic.LinearCombination import Mathlib.Tactic.NormNum import Mathlib.Tactic.Positivity import Mathlib.Tactic.Ring import Mathlib.Topology.Algebra.InfiniteSum.Order import Definitions.Def_D1Bound5_IsD1Tuple import Definitions.Def_D1Bound5_UnitPairArithmeticModel_Definitions import Definitions.Def_D1Bound5_UnitPairRealReduction_Definitions
Formal statement
section
open scoped NumberField
open Module
namespace D1Bound5
theorem _root_.D1Bound5.IsD1Tuple.unit_pair_finite_field_model
{K : Type*} [Field K] [NumberField K] [NumberField.IsTotallyComplex K]
(hK : finrank ℚ K = 2) (phi : K →+* ℂ)
(t : Fin 6 → 𝓞 K) (ht : IsD1Tuple t)
(hm : t 0 = -1) (hp : t 1 = 1)
(hmon : Monotone (fun i => ‖phi (t i : K)‖)) :
∃ M : UnitPairArithmeticModel (𝓞 K),
7 ≤ M.d ∧ M.d < 10000 ∧ M.d % 8 = 7 ∧
∀ i : Fin 4, UnitPairRealDescription M.d (t ⟨i.val+2,by omega⟩) := by sorry
end D1Bound5
end
Source
D1Bound5/UnitPairFieldBound.lean, lines 9-34, SHA-256 ebbf14dc84a0884ae4164d8a3e05dbb3d3114b77e575ce2c8979d120dc3afa27. Project: https://github.com/tomislav-math/d1-bound5-lean