[Submitted on 8 Jan 2026 ( v1 ), last revised 14 Oct 2026 (this version, v3)] Title:Fermi Acceleration Mechanisms Beyond Lorentz Symmetry View a PDF of the paper titled Fermi Acceleration Mechanisms Beyond Lorentz Symmetry, by Gilson A. Ferreira and 5 other authors View PDF HTML (experimental) Abstract:We construct models for first- and second-order Fermi acceleration of particles, incorporating generic frame transformations, dispersion relations, and conservation laws.