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astro-ph.CO2026
Progenitor age-bias-corrected Type Ia supernovae favor a logarithmic luminosity-distance relation
Hoang Ky Nguyen
Type Ia supernovae provide one of the principal observational probes of late-time cosmic acceleration. Recently, Son et al. [MNRAS 544, 975 (2025)] proposed that correlations betwe…
astro-ph.CO2026
An intrinsic kinematic relation inferred from Type Ia supernovae
Hoang Ky Nguyen
Based on the Hubble diagram of SNeIa, we present empirical evidence for a kinematic relation between the speed of light and the late-time cosmic expansion rate. To infer this relat…
astro-ph.CO2024★ 2 cited
New analysis of SNeIa Pantheon Catalog: Variable speed of light as an alternative to dark energy
Hoang Ky Nguyen
In A&A 412, 35 (2003) Blanchard, Douspis, Rowan-Robinson, and Sarkar (BDRS) slightly modified the primordial fluctuation spectrum and produced an excellent fit to WMAP's CMB power…