A hybrid method for reconstruction of the equation of state of dark energy and its application to Pantheon+SH0ES data
Gawain Simpson, Krzysztof Bolejko, Stephen Walters
astro-ph.CO, gr-qc
Submitted: 2026-06-24
Comments: 23 pages, 22 figures; accepted for publication in Phys. Rev. D
DOI: 10.1103/3f28-f6hv
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
- Measurements of Omega and Lambda from 42 High-Redshift Supernovae
- A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km/s/Mpc Uncertainty from the Hubble Space Telescope and the SH0ES Team
- Tensions between the Early and the Late Universe
- Accelerating Universes with Scaling Dark Matter
- Exploring the Expansion History of the Universe
- The Hubble series: Convergence properties and redshift variables
- The Pantheon+ Analysis: The Full Dataset and Light-Curve Release
- Recovered SN Ia rate from simulated LSST images
- Core-collapse supernova parameter estimation with the upcoming Vera C. Rubin Observatory
- Optimising Gaussian processes for reconstructing dark energy dynamics from supernovae
Related papers
- Angular clustering and bias of photometric quasars in the Kilo-Degree Survey Data Release 4
- A Novel kinetic Sunyaev-Zel'dovich Estimator for Electron-Electron Correlations
- Magnetic fields at the dawn of structure formation I. The CARLA J1510+5958 proto-cluster
- Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework
- Exploring the Impact of Systematic Bias in Type Ia Supernova Cosmology Across Diverse Dark Energy Parametrizations
- Non-Gaussian Galaxy Stochasticity and the Noise-Field Formulation