The cosmic tetrarchy decomposes BAO-based measurements into four channels that isolate distinct assumptions to test whether the dimensionless sound-horizon ratio remains a single redshift-independent number.
Novel null tests for the spatial curvature and homogeneity of the Universe and their machine learning reconstructions
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Observational constraints on a dark energy EoS parametrization in curved spacetime yield α ≈ 0.35 (0.56) and Ω_k0 that changes sign with ANN data reconstruction.
citing papers explorer
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The cosmic tetrarchy: four estimators breaking the assumption degeneracy in cosmological distance tensions
The cosmic tetrarchy decomposes BAO-based measurements into four channels that isolate distinct assumptions to test whether the dimensionless sound-horizon ratio remains a single redshift-independent number.
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Constraining Dark Energy Dynamics in Curved Spacetime with Current Observations
Observational constraints on a dark energy EoS parametrization in curved spacetime yield α ≈ 0.35 (0.56) and Ω_k0 that changes sign with ANN data reconstruction.