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Finite N2 height scaled

Proved
D1Bound5.finiteN2_height_scaled

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

diophantine-tuplesnumber-theory

Actual N2 root-column height, with the paper's sharp constant.

Preamble
import Lean.Elab.Tactic.Omega
import Mathlib.Algebra.BigOperators.Fin
import Mathlib.Analysis.Complex.Basic
import Mathlib.Analysis.Normed.Ring.Basic
import Mathlib.LinearAlgebra.Matrix.Determinant.Basic
import Mathlib.LinearAlgebra.Matrix.NonsingularInverse
import Mathlib.Tactic.FinCases
import Mathlib.Tactic.GCongr
import Mathlib.Tactic.Linarith
import Mathlib.Tactic.NormNum
import Mathlib.Tactic.Positivity
import Mathlib.Tactic.Ring
import Definitions.Def_D1Bound5_FiniteN2Matrix_Definitions

Formal statement
section
namespace D1Bound5
















theorem _root_.D1Bound5.finiteN2_height_scaled (x y c : ℂ) (hy : y ≠ 0)
    (hxy : ‖x‖ ≤ ‖y‖) (hYC : 1000 ≤ ‖y‖*‖c‖) (i : Fin 3) :
    (101/100 : ℝ)*(‖finiteN2Left x y c i‖+‖finiteN2Right x y c i‖) <
      243*‖y‖^4*‖c‖^2 := by sorry

end D1Bound5
end
Source
D1Bound5/FiniteN2Height.lean, lines 81-92, SHA-256 2243c6283cc2715ea06a1ac894af3fc0ea0e8e3a907fae2e4dc3a502c1037c77. Project: https://github.com/tomislav-math/d1-bound5-lean

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