Documentation

MathlibNt.AnalyticNumberTheory.LargeSieve.FourFactorUnconditionalEndpoints

theorem AnalyticNumberTheory.LargeSieve.chen1973Lemma6_all_level_actual_cell_small_unconditional (ε : ) ( : 0 < ε) (hεu : ε < 1 / 10) :
∃ (C : ), 0 < C ∃ (X₀ : ), xX₀, ∀ (L B lastD level k m : ), 0 < L0 < BL Real.log x ^ 100Real.log x ^ 100 < L + 1B x ^ (13 / 30)x ^ (13 / 30) < B + 1L * 2 ^ level 2 * lastDlastD x ^ (1 / 2 - ε) → chen1973Lemma6NmBlockActual x L level B k m C * x / Real.log x ^ 20

All actual cells under the existing rounded parameters and conductor cutoff. The corrected positive-level kernel and finite-height level-zero repair are retained. This is not the final Chen prime theorem or a literal full-height contour claim.