Basis function expansions of the two-point correlation function and reconstruction of the cosmological distance scale

arXiv:2609.25320 · astro-ph.CO · Submitted 2026-09-21 · Read on arXiv

astro-ph.CO

Submitted: 2026-09-21

Updated: 2026-09-21

Comments: 8 pages, 4 figures

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

Terminology

• Clustering — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Model-Agnostic — 1× in this paper · explained in 2 episodes

Sources

• Halo Models of Large Scale Structure
• Combining Full-Shape and BAO Analyses of Galaxy Power Spectra: A 1.6% CMB-independent constraint on H0
• On the Robustness of the Acoustic Scale in the Low-Redshift Clustering of Matter
• Beating non-linearities: improving the Baryon Acoustic Oscillations with the linear point
• Impact of fiducial cosmology in model-agnostic cosmological inference with the BAO feature
• The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample
• The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological implications of the configuration-space clustering wedges
• The Linear Point Standard Ruler with DESI DR1 and DR2 Data
• The Clustering of Galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: Including covariance matrix errors
• The Linear Point Standard Ruler for galaxy survey data: validation with mock catalogues
• Least Squares Two-Point Function Estimation
• Two-point statistics without bins: A continuous-function generalization of the correlation function estimator for large-scale structure
• Laguerre reconstruction of the correlation function on Baryon Acoustic Oscillation scales
• Laguerre reconstruction of the BAO feature in halo-based mock galaxy catalogues
• Nonlinear Evolution of Baryon Acoustic Oscillations
• Bayesian evidence comparison for distance scale estimates
• The effects of massive neutrinos on the linear point of the correlation function
• The Abacus Cosmos: A Suite of Cosmological N-body Simulations
• Model-agnostic basis functions for the 2-point correlation function of dark matter in linear theory
• The smearing scale in Laguerre reconstructions of the correlation function

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