A Robustness Analysis of Cosmological Parameter Constraints in the Low-Redshift Pantheon+ Sample Using Tertile Splitting and Redshift-Resolved χ2 Diagnostics

Research Square 2026 Preprint Open access

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Authors: Michael Japtharican, Rama Dona

DOI: 10.21203/rs.3.rs-8605542/v1

Cited by: 0

Fields of Study & Subjects

Cosmology and Gravitation Theories Gamma-ray bursts and supernovae Galaxies: Formation Evolution Phenomena