2 papers
astro-ph.CO2026
Hubble tension: a short review of theoretical explanations
Jia-Qi Wang, Zong-Kuan Guo
The cold dark matter model successfully describes a wide range of cosmological observations. However, the persistent discrepancy between the value of the Hubble constant inferr…
gr-qc2026
Extended parameterized spin expansion formalism for ringdown analysis with GW250114
Jia-Ning Chen, Liang-Bi Wu, Zong-Kuan Guo
The paper extends the Parameterized Spin Expansion Coefficients (ParSpec) framework to jointly sample a characteristic length scale and a scaling index for black‑hole quasinormal‑m…