From the 1 of 2 papers with an AI index.
2 papers
astro-ph.CO2026
Testing a Sign-Switch Cosmological Model with Curvature through Latest Planck 2018, DESI DR2 and PantheonPlus\&SH0ES Observational Data
Archana Dixit, Manish Yadav, Anirudh Pradhan +1
We investigate the spatial geometry of the Universe within the framework of a sign-switch dark energy scenario by extending the recently proposed CDM model to include a…
astro-ph.CO2026
The Lambert equation of state in light of DESI BAO
Vipin Chandra Dubey, Subhajit Saha, Abdulla Al Mamon
The paper proposes a unified dark‑fluid model whose equation of state is expressed using the Lambert W function, and constrains its parameters with DESI BAO, supernova, and Hubble…