Finite A4 fixed height of norm sq
ProvedD1Bound5.finiteA4_fixed_height_of_norm_sqdiophantine-tuplesnumber-theory
Exact coefficient norm identities suffice for height transfer; no identification of the ambient field with a coordinate ring is needed.
Preamble
import Lean.Elab.Tactic.Omega import Mathlib.Algebra.BigOperators.Fin 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.Analysis.Normed.Ring.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.LinearAlgebra.Matrix.Determinant.Basic import Mathlib.LinearAlgebra.Matrix.NonsingularInverse import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex import Mathlib.NumberTheory.NumberField.Norm import Mathlib.Tactic import Mathlib.Tactic.Convert import Mathlib.Tactic.FieldSimp 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 Definitions.Def_D1Bound5_Coordinates_Definitions import Definitions.Def_D1Bound5_FiniteA4Coefficients_Definitions import Definitions.Def_D1Bound5_FiniteA4FixedHeight_Definitions import Definitions.Def_D1Bound5_FiniteA4Matrix_Definitions
Formal statement
section
open scoped NumberField
namespace D1Bound5
open QuadInt
theorem _root_.D1Bound5.finiteA4_fixed_height_of_norm_sq {tau nu : ℤ}
(a b : QuadInt tau nu) (M : ℚ)
(w : Fin 3 → Fin 2 → Fin 5 → ℚ) (hbound : FiniteA4FixedBound a b M w)
(X Y Z : ℂ) (hBsq : ‖Y‖^2 = (b.norm : ℝ))
(hnorm : ∀ i j ell, ‖finiteA4RootCoeff X Y i j ell‖^2 =
((finiteA4RootCoeff a b i j ell).norm : ℝ))
(hy0 : Y ≠ 0) (hC : 1000 ≤ ‖Z‖) (hCB : 200*‖Y‖ ≤ ‖Z‖) (i : Fin 3) :
(101/100 : ℝ)*(‖finiteA4Left X Y Z i‖+‖finiteA4Right X Y Z i‖) <
(M : ℝ)*‖Y‖^9*‖Z‖^4 := by sorry
end D1Bound5
end
Source
D1Bound5/FiniteA4RationalHeight.lean, lines 9-64, SHA-256 89101dc5175b482e62535a694b28dc934e907cada3f4e3049e95139b18084dbb. Project: https://github.com/tomislav-math/d1-bound5-lean