OAI/NumberTheory/JointDickman/Arithmetic/PrimeProductTail.lean
4 declarations, 0 contain sorry, 0 declared as axioms
Reciprocal mass of prime products near a cutoff
- theorem
OAI.JointDickman.prime_reciprocal_product_fiberline 12Source documentation
Fixing all but one prime leaves an interval of multiplicative width
N/Y. The bound is uniform in the productrof the fixed primes.theorem prime_reciprocal_product_fiber : ∃ C : ℝ, 0 ≤ C ∧ ∀ (P : Finset ℕ) (y Y N r : ℝ), 2 ≤ y → 0 < Y → Y ≤ N → 0 < r → (∀ p ∈ P, p.Prime ∧ y < (p:ℝ)) → (∑ p ∈ P.filter (fun p : ℕ => Y < r*(p:ℝ) ∧ r*(p:ℝ) ≤ N), 1/(p:ℝ)) ≤ (Real.log (N/Y)+C)/Real.log y := by … - def
OAI.JointDickman.reciprocalPrimeTupleTailline 40 - theorem
OAI.JointDickman.reciprocalPrimeTupleTail_fibersline 45 - theorem
OAI.JointDickman.reciprocalPrimeTupleTail_boundline 68Source documentation
Repeated primes are allowed. Thus this also controls every fixed-cardinality term of the squarefree divisor expansion.
theorem reciprocalPrimeTupleTail_bound : ∃ C : ℝ, 0 ≤ C ∧ ∀ (P : Finset ℕ) (h : ℕ) (y Y N : ℝ), 2 ≤ y → 0 < Y → Y ≤ N → (∀ p ∈ P, p.Prime ∧ y < (p:ℝ)) → reciprocalPrimeTupleTail P (h+1) Y N ≤ ((Real.log (N/Y)+C)/Real.log y)*(∑ p ∈ P, 1/(p:ℝ))^h := by …