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Autor principal:	Moura, Alexsandro
Format:	Recurso digital
Idioma:	anglès
Publicat:	Zenodo 2026
Matèries:	Structuristics decompositional integrity galactic rotation curves Radial Acceleration Relation SPARC structural regimes representation limit CAMAF baryonic models fractal-evolutionary scaling
Accés en línia:	https://doi.org/10.5281/zenodo.20193099
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This paper tests three structural predictions derived from the Structuristics framework (Moura, 2026) on the SPARC dataset (175 galaxies, 3,391 data points), using galactic rotation curves as the empirical test domain. The formal mapping is exact: the observed rotation curve is the system behaviour, the baryonic decomposition (gas, disk, bulge) is the Decomposition operator, and the composite baryonic velocity is the Construction operator output. Decompositional Integrity at each radial point is therefore I_D = Vbar/Vobs, a direct instantiation of the Structuristics metric in the galactic dynamics domain. Starting from the Radial Acceleration Relation (McGaugh et al. 2016) as the strongest known baryonic model (R² = 0.877), the paper constructs a corrective model grounded in I_D with regime-specific weights. All three structural predictions are confirmed: (P1) the I_D radial profile exhibits three distinct structural regimes with empirically identifiable breakpoints; (P2) regime parameters scale continuously with galaxy mass, a fractal-evolutionary signature of mass assembly history encoded in the current structural profile — an original theoretical contribution of this work; (P3) structural groups show systematically different regime profiles, confirming I_D as a morphological invariant. A three-layer circularity audit (cross-validation, permutation test, closed model without Vobs) confirms that the genuine non-circular gain is ΔR² = +0.033, with R²_CV = 0.896, permutation p = 0.000, and circularity = 0%. The residual gap ΔR² = 0.064 between the closed and local-I_D models is interpreted as the representation limit of the Decomposition operator in the projected rotation curve domain: the information destroyed by 2D projection of a 3D structure. This gap defines the next falsifiable test, T104, which will use IFU kinematic data. Files included: galactic_curves_structuristics_v1_2_0.pdf (main manuscript), galactic_curves_structuristics_v1_2_0.tex (LaTeX source), references.bib (bibliography), figures test_60_v2, test_98, test_99, test_101, test_103 (PNG, 180 dpi), scripts_zenodo_en/ (analysis code for T60v2, T95, T98, T99, T100, T101, T102, T103). Methodological note: The investigation followed the CAMAF operational protocol (Moura, 2026), which requires full traceability of the analytical chain, explicit declaration of non-claims, and separation between empirical results, inference, and hypothesis. AI tools were used for script generation, diagnostic interpretation, and manuscript drafting; all scientific decisions were made by the author. See the Transparency Declaration within the manuscript.

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