2 papers
astro-ph.CO2025
Constraints on transition redshift utilizing the latest H(z) measurements and comments on the Hubble tension
Jianping Hu, Xuandong Jia, DaoHong Gao +3
The motivation of this paper is to obtain reliable constraints of transition redshift () and, in combination with the evolution of the Hubble constant () that could…
astro-ph.CO2024
Testing cosmic anisotropy with Pade approximation and Pantheon+ sample
Jianping Hu, Jian Hu, Xuandong Jia +2
Cosmography can be used to constrain the kinematics of universe in a model-independent way. In this work, we attempted to combine the Pad approximations with the lat…