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E-013 — xi-prime certificate constants from D1 diagonal law (Remark 7.1 reproduced to 5e-6)

08-18-2026 · 3 rows · script research/numerics/scripts/E-013-xiprime-R-constants.py

Metadata

R-functional with xi' diagonal law D1 (pair kernel x - 4x^2 + ...) reproduces Remark 7.1 constants; D1(x) <= x quantifies tight-pair suppression

Validation checks

V1_flat_matches_085838 PASS
V2_quartic_matches_086864 PASS
V3_perfect_square_node_mechanism PASS
V4_xi_kernel_sanity_4_3 PASS

Key values

R_xiprime_flat1.14161504167725
cert_flat_computed0.858384958322751
cert_flat_paper0.85838
R_xiprime_quartic1.13135848298565
cert_quartic_computed0.868641517014353
cert_quartic_paper0.86864
R_xi_flat_sanity1.33333242971717
node_ratio_D1(0.5)/0.50.0892003
relative_suppression_at_node0.9108
pair_integral_xi_flat0.333332429717
pair_integral_xiprime_flat0.141615041677

Parameters

dps40
d1_series_terms40

Caveats

Chart

Data preview (3 rows total)

windowR_xiprimecertificate_2_minus_Rcertified_decimal
flat1.141615041677250.8583849583227510.85838
quartic1.131358482985650.8686415170143530.86864
flat_xi_kernel_sanity1.333332429717170.666667570282830.666666666666667