Reconstructing the evolution of deceleration parameter with the Lagrange interpolation method

arXiv:2609.34239 · astro-ph.CO · Submitted 2026-09-28 · Read on arXiv

astro-ph.CO

Submitted: 2026-09-28

Updated: 2026-09-28

Comments: 14 pages, 5 figures; accepted for publication in Physical Review D

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

Terminology

• Calibration — 4× in this paper · explained in 7 episodes
• Adam — 3× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 2× in this paper
• alpha — 2× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Hubble Tension — 1× in this paper · explained in 9 episodes
• Quintessence — 1× in this paper · explained in 2 episodes

Sources

• Parametrization Framework for the Deceleration Parameter in Scalar Field Dark Energy Model
• Revisiting a non-parametric reconstruction of the deceleration parameter from combined background and the growth rate data
• Improved Treatment of Host-Galaxy Correlations in Cosmological Analyses With Type Ia Supernovae
• The Bayesian view of DESI DR2 with unimpeded: Evidence and tension in a combined analysis with CMB and supernovae across cosmological models
• On the Jeffreys-Lindley's paradox
• History and Nature of the Jeffreys-Lindley Paradox

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