OAI/NumberTheory/Ostmann/Arithmetic/BulkLogBudgetComparison.lean

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Cost of retaining the original terminal logarithmic factors

  1. theorem OAI.Ostmann.bulkLogWeightedKernelPairBudget_le line 13

    Source documentation

    Two trees have at most twice their leaf count in logarithmic factors. Their additional derivative-root cuts cost at most one more copy of the existing root budget. Only a fixed, depth-dependent variation factor remains.

    theorem bulkLogWeightedKernelPairBudget_le
        (ψ : 𝓢(ℝ, ℂ)) (V lo hi : ℝ) (n d r e t rlog : ℕ) (B D Dlog : ℝ)
        (hDlog : 0 ≤ Dlog) (ht : t ≤ 2 * 2 ^ n) (hr : rlog ≤ r) :
        bulkLogWeightedKernelPairBudget ψ V lo hi n d r e t rlog B D Dlog ≤
          (2 * (2 + Dlog * (Real.exp 2 - 1)) ^ t) *
            bulkKernelPairComparisonBudget ψ V lo hi n d r e B D := by
    …

    Mentions: OAI.Ostmann.bulkLogWeightedKernelPairBudget, OAI.Ostmann.bulkKernelPairComparisonBudget