OAI/NumberTheory/Ostmann/Arithmetic/RangedComplexityBudget.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

The actual range partition cost is polynomial at fixed depth

  1. theorem OAI.Ostmann.ranged_word_complexity_le line 12

    Source documentation

    Include the extra root product interval in D; the same bound then covers the normalized reciprocal-product comparison.

    theorem ranged_word_complexity_le {V : Type*} {n : ℕ}
        (D D' : WordRangeDecoration V n) (B : ℕ) (b d m : ℝ)
        (hd : 0 ≤ d) (hm : 0 ≤ m)
        (hB : (B : ℝ) ≤ b * (1 + m))
        (hD : (D.count : ℝ) ≤ d * (1 + m))
        (hD' : (D'.count : ℝ) ≤ d * (1 + m)) :
        (((3 * 2 ^ n + 3 * (2 ^ n - 1) + 2 * (D.count + D'.count)) * B ^ (n + 1) : ℕ) : ℝ) ≤
          (((3 * 2 ^ n + 3 * (2 ^ n - 1) : ℕ) : ℝ) + 4 * d) *
            b ^ (n + 1) * (1 + m) ^ (n + 2) := by
    …

    Mentions: OAI.Ostmann.WordRangeDecoration

  2. theorem OAI.Ostmann.ranged_boolean_partition_le line 35