OAI/NumberTheory/TotientAsymptotic/ComparisonGridFromHeights.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

Finite Ford grids from surviving prime heights.

  1. lemma OAI.TotientAsymptotic.collisionMesh_le_hundredth line 11
  2. theorem OAI.TotientAsymptotic.comparison_grid_from_heights line 23

    Source documentation

    The grid label is chosen from the actual paired largest factors. Every width and separation restriction is proved here, including the one-prime case.

    theorem comparison_grid_from_heights {b h : ℕ} {t : ShiftedPair b} {Y Z δ : ℝ}
        (hb : 0<b) (hbh : b≤h) (hh : 4≤h) (hY : 0<Y) (_hZ : 0<Z) (hZY : Z≤Y)
        (hδ : 0<δ) (hδu : δ≤2/(h : ℝ)^32)
        (hmargin : (2*(h : ℝ)+10)*δ < (1/10 : ℝ)*Z/Y)
        (ht : ComparisonHeightBounds t Y Z)
        (halign : ∀ r, |leftFactorHeight t r/Y-rightFactorHeight t r/Y| ≤
          (2*(r.val : ℝ)+1)*δ) :
        let u := fun r => leftFactorHeight t r/Y
    …

    Mentions: OAI.TotientAsymptotic.ShiftedPair, OAI.TotientAsymptotic.ComparisonHeightBounds, OAI.TotientAsymptotic.leftFactorHeight, OAI.TotientAsymptotic.rightFactorHeight