Based on Relativity Cosmological Reconstruction: Parameter Resolution and Fit Optimization

Abstract

Starting from the Lorentz factor ¦Ã of special relativity, we define the cosmic average inverse Lorentz factor ¦« ¡Ô ?1/¦Ã? = 0.6898. Using the CODATA fine structure constant ¦Á_fs = 1/137.036 as the sole external anchor, all ¦«CDM parameters are derived through algebraic identities and a self-consistent fixed-point system: ¦« = 0.6898, ¦Ø_m = 0.2956, H? = 67.36 km/s/Mpc, n_s = 0.9651, A_S = 2.08¡Á10??, ¦Ø_c = 0.1201, ¦Ø_b = 0.0224. The derived-parameter model outperforms Planck ¦«CDM (6 free parameters) with 0 free parameters: ¦¤BIC = +409 (diagonal weights) / +165 (full covariance). The ¦È_¦Ó field equation scalar projection reproduces GR classical results in static spherical symmetry and FLRW background.

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