3 papers
gr-qc2025
Lightweight posterior construction for gravitational-wave catalogs with the Kolmogorov-Arnold network
Wenshuai Liu, Yiming Dong, Ziming Wang +1
Neural density estimation has seen widespread applications in the gravitational-wave (GW) data analysis, which enables real-time parameter estimation for compact binary coalescence…
gr-qc2025
Detecting extremely low frequency primordial gravitational wave by gravitational lens system
Wenshuai Liu
Primordial gravitational waves (PGWs) are predicted to origin from inflation, according to which a period of accelerated expansion exists in the very early Universe. The detection…
astro-ph.HE2024
Is Lensing Amplitude Anomaly in the Cosmic Microwave Background the Evidence of Extremely Low Frequency Primordial Gravitational Wave?
Wenshuai Liu
Trajectories of photons of cosmic microwave background (CMB) from the surface of last scattering to us could be deflected by extremely low frequency primordial gravitational wave (…