I present a cyclic universe model incorporating negative mass (-M). The model replaces the Big Bang singularity with a quantum bounce, solves the entropy problem through cycle-induced reset, and preserves information across cycles via negative mass. Negative mass explains dark matter. The nature of dark energy remains a hypothesis at this stage: it is suggested to be a fundamental property of spacetime itself (mathematical development of this idea is left for future work). The model successfully passes 7 independent observational tests: Planck CMB power spectrum, SDSS large-scale structure, MCXC galaxy cluster distribution, Fermi gamma-ray dipole anisotropy, BAO scale from SDSS/DESI, Type Ia supernovae (Pantheon+/Union2.1), and the Hubble constant H0 = 79.93 ± 2.74 km/s/Mpc. This represents the first observationally validated negative mass cosmology, addressing critical issues raised in previous work (Farnes 2018; Socas-Navarro 2019). The model also resolves 13 fundamental problems in standard cosmology while maintaining minimal assumptions. All code and data are publicly available on GitHub.
Ali Aktemirov (Tue,) studied this question.
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