Real Pantheon+(N=1,701) Observational Test of Cosmological Special and General Relativity(CSTR/CGR):Full-Covariance MCMC, z-cut Bulk Flow Verification, and Statistical Model Selection as a Consistency Test

Sangwha Yi

doi:10.5281/zenodo.22288254

September 4, 2026Open Access

Real Pantheon+(N=1,701) Observational Test of Cosmological Special and General Relativity(CSTR/CGR):Full-Covariance MCMC, z-cut Bulk Flow Verification, and Statistical Model Selection as a Consistency Test

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Key Points

To test the viability of Cosmological Special Relativity and Cosmological General Relativity against the standard Lambda CDM cosmological model using observational supernova data.
Analyzed the Pantheon+SH0ES dataset comprising N=1,701 Type Ia supernovae (SNe Ia).
Conducted parameter estimation using full-covariance Markov Chain Monte Carlo (MCMC) simulations alongside redshift-cut bulk flow verification.
Performed statistical model selection to determine consistency between alternative relativity models and the standard cosmological framework.
Assessed goodness-of-fit and statistical consistency of Cosmological Special Relativity and Cosmological General Relativity across N=1,701 supernovae.
Evaluated model robustness using full covariance structures and redshift-dependent constraints relative to Lambda CDM predictions.

Implication

Observational study evaluates cosmological relativity models against Lambda CDM in Type Ia supernovae, indicating statistical consistency across cosmic expansion observations.

Abstract

We present a rigorous real-data test of Cosmological Special Relativity(CSTR) and Cosmological General Relativity(CGR) versus Lambda CDM using Pantheon+SH0ES N=1,701 SNe Ia.

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Sangwha Yi (2026) studied this question.

synapsesocial.com/papers/6a9bd49d6b95aff0620ec66d https://doi.org/10.5281/zenodo.22288254

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Real Pantheon+(N=1,701) Observational Test of Cosmological Special and General Relativity(CSTR/CGR):Full-Covariance MCMC, z-cut Bulk Flow Verification, and Statistical Model Selection as a Consistency Test

Key Points

Implication

Abstract

Discussion

Cite This Study

Real Pantheon+(N=1,701) Observational Test of Cosmological Special and General Relativity(CSTR/CGR):Full-Covariance MCMC, z-cut Bulk Flow Verification, and Statistical Model Selection as a Consistency Test

Key Points

Implication

Abstract

Discussion

Cite This Study

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