bamfai/bigbounce-mcmc
BigBounce MCMC chains Canonical Markov-Chain Monte Carlo posteriors for the BigBounce spin-torsion cosmology program (Golden 2026, Papers 1A/1B/2/3/4). Latest converged chain — iter2_converged_2026-05-18/ DESI DR2 BAO + Planck PR4 + DES-Y5 + Pantheon+ joint w₀wₐ posterior. Sampler: Cobaya v3.6.1 Metropolis-Hastings, 16-chain MPI, OMP=6, RTX A5000. Quantity Value Total accepted samples 128,385 R̂ − 1 (Gelman–Rubin) 0.00820 Mean acceptance 0.2828… See the full description on the dataset page: https://huggingface.co/datasets/bamfai/bigbounce-mcmc.
Add dataset README pointing to iter2 converged chain
Add shoes_yaml_audit.md
Add posterior_summary.txt
Add BACKUP_MANIFEST.md
Cobaya iter2 DESI DR2 w0wa converged chain backup 2026-05-18 (Rhat-1=0.00820 N=128385 sha256=8caf10f2b9d1)
Cobaya iter2 DESI DR2 w0wa converged chain backup 2026-05-18 (Rhat-1=0.00820 N=128385 sha256=74cf4e609ab6)
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initial commit