OAI/NumberTheory/TotientAsymptotic/CanceledPrimeMass.lean
4 declarations, 0 contain sorry, 0 declared as axioms
The reciprocal cost of fixing the canceled primes, from Mertens' input.
- lemma
OAI.TotientAsymptotic.prime_shift_inv_le_log_factorline 12 - lemma
OAI.TotientAsymptotic.primeEulerProduct_posline 26 - lemma
OAI.TotientAsymptotic.canceled_prime_mass_le_log_productline 33 - theorem
OAI.TotientAsymptotic.canceled_prime_mass_mertensline 50Source documentation
A canceled prime costs only the logarithm of the prime-product bound, which is of double-logarithmic size in its allowed prime endpoint.
theorem canceled_prime_mass_mertens (hmertens : MertensProductInput) : ∃ C : ℝ, 0 < C ∧ ∀ N : ℕ, 2 ≤ N → (∑ p ∈ (Finset.Icc 2 N).filter Nat.Prime, ((p-1 : ℕ) : ℝ)⁻¹) ≤ 2*(Real.log C+B N) := by …Mentions: OAI.TotientAsymptotic.MertensProductInput, OAI.TotientAsymptotic.N, OAI.TotientAsymptotic.B