Product Five cross div norm lt 11 108
ProvedD1Bound5.productFive_cross_div_norm_lt_11_108diophantine-tuplesnumber-theory
Symmetry turns the cross form into one involving the controlled inverse vector. All norms are Euclidean, while the dot product is complex bilinear.
Preamble
import Lean.Util.CollectAxioms import Mathlib.Algebra.CharP.Frobenius import Mathlib.Algebra.CharP.Two import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.QuadraticAlgebra.Basic import Mathlib.Algebra.Ring.Basic import Mathlib.Algebra.Ring.Equiv 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.SpecificLimits.Normed import Mathlib.Data.Complex.Basic import Mathlib.Data.Finset.Card import Mathlib.Data.Finset.Prod import Mathlib.Data.Int.GCD import Mathlib.Data.Int.Interval import Mathlib.Data.Int.Sqrt import Mathlib.Data.Real.Basic import Mathlib.Data.ZMod.Basic import Mathlib.LinearAlgebra.Dimension.Free import Mathlib.LinearAlgebra.Matrix.Determinant.Basic import Mathlib.LinearAlgebra.Matrix.NonsingularInverse import Mathlib.LinearAlgebra.Matrix.Permutation import Mathlib.LinearAlgebra.Matrix.SchurComplement import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex import Mathlib.NumberTheory.NumberField.Norm import Mathlib.Tactic.FieldSimp import Mathlib.Tactic.FinCases import Mathlib.Tactic.IntervalCases import Mathlib.Tactic.Linarith import Mathlib.Tactic.LinearCombination import Mathlib.Tactic.NormNum import Mathlib.Tactic.Ring
Formal statement
section
open Matrix
open scoped NumberField
namespace D1Bound5
end D1Bound5
namespace D1Bound5
theorem _root_.D1Bound5.productFive_cross_div_norm_lt_11_108
(F : Matrix (Fin 4) (Fin 4) ℂ) (v w : Fin 4 → ℂ) (d : ℂ)
(hd : d ≠ 0) (hsym : Fᵀ = F)
(hw : ‖(WithLp.toLp 2 w : EuclideanSpace ℂ (Fin 4))‖ <
‖d‖ / 9)
(hFv : ‖(WithLp.toLp 2 (F⁻¹ *ᵥ v) :
EuclideanSpace ℂ (Fin 4))‖ < (11/12 : ℝ)) :
‖(v ⬝ᵥ (F⁻¹ *ᵥ w))/d‖ < (11/108 : ℝ) := by sorry
end D1Bound5
end
Source
D1Bound5/ProductFivePrefixSizeCross.lean, lines 72-97, SHA-256 39ff147d52c592f501114d236d32fbc4150cb62823ddd11060e5fcb20af2215f. Project: https://github.com/tomislav-math/d1-bound5-lean