Kernel-smoothed convolutions of |ζ(½+iT)|² mirror the Riemann Zeta function zeros on the critical line
| K₁ | sech²(u/H) = 1/cosh²(u/H) | Primary form |
| K₂ | 4 / (eu/H + e−u/H)² | Exponential expansion |
| K₃ | d/du[tanh(u/H)] · H | Derivative form |
| K₄ | 4e2u/H / (e2u/H + 1)² | Exponential ratio |
| K₅ | 1 − tanh²(u/H) | Pythagorean identity |
| K₆ | 4σ(2u/H)(1 − σ(2u/H)) | Logistic / sigmoid form |
Key property: All 6 kernel forms yield identical Λ values — select different forms for Kernel A and B to verify equivalence visually. Poles lie at ±iπH/2 ≈ ±i·2.356 (H=1.5), safely outside the Weil strip |Im(t)| < 0.5.