#late-time expansion

Model-Independent Indication for a Localized Anomaly in the Late-Time Expansion History

Shibendu Gupta Choudhury, Purba Mukherjee, Eleonora Di Valentino +1

Using a model‑independent spline reconstruction of distances from DESI BAO data and DES supernovae, the authors find a localized ~3.5σ deviation from the Planck ΛCDM expansion hist…