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LeanPool.NairTenenbaum.NumberFields.PrimeRootMertens

The sharp weighted prime-root upper bound #

The quantitative ideal count supplies the Mertens estimate for the ideal von Mangoldt function. Eventual root/ideal agreement gives the bound for each irreducible polynomial, with leading coefficient one.

theorem NairTenenbaum.exists_irreducible_primeRootLogSum_bound {Q : Polynomial ℤ} (hQ : Irreducible Q) (hdeg : 0 < Q.natDegree) :
∃ (B : ℝ), 0 ≤ B ∧ ∀ (x : ℝ), 1 ≤ x → primeRootLogSum Q x ≤ Real.log x + B