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

arXiv:2607.13009 · astro-ph.CO, gr-qc · Submitted 2026-07-14 · Read on arXiv

Shibendu Gupta Choudhury, Purba Mukherjee, Eleonora Di Valentino, Anjan A Sen

astro-ph.CO, gr-qc

Submitted: 2026-07-14

Comments: 15 pages, 5 figures, comments are welcome

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 17× in this paper · explained in 7 episodes
• Robustness — 5× in this paper · explained in 5 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Reconstruction Algorithm — 3× in this paper
• Abundance — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Anusandhan National Research Foundation — 1× in this paper
• Baryon Acoustic Oscillations — 1× in this paper
• Cooperation — 1× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Empirical Coverage — 1× in this paper · explained in 2 episodes
• Higher-order derivatives — 1× in this paper · explained in 2 episodes
• Hubble Tension — 1× in this paper · explained in 9 episodes
• Null Energy Condition — 1× in this paper
• Raychaudhuri Equation-Informed Reconstruction Algorithm — 1× in this paper

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• Non-linear Structure Formation in Planck+DESI Favoured Interacting Dark Energy Cosmologies
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