195 citations
- L. N. Gumilyov Eurasian National UniversityKZ20 papers
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Showing 2026 · astro-ph.COShow all
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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
We investigate a unified dark-fluid model whose effective equation of state (EoS) is described by logarithmic and power-law terms involving the Lambert function. The model para…