Registry · Theorem
V.T263
tau-effective
formalized
V.T263 — S₈ Tension Resolution
S₈(τ)=0.783 resolves S₈ tension. Within 0.4σ of DES Y3, 1.0σ of KiDS-1000, 0.5σ of DES+KiDS. 3.8σ below Planck CMB (predicted, structural). Zero free parameters.
Book V
Part 5
Ch. 45