29 citations · 41 across the 7 of their papers we have counts for
6 papers · 1 filter
Hermes - Towards an Optimal High-Performance Algorithm for Cosmic Statistics of Large Data Sets
Long-long Feng, Tengpeng Xu, Tian-Cheng Luan +7
We present Hermes, an in situ multiresolution framework for efficient and flexible measurements of cosmic large-scale-structure statistics from discrete catalogues. Hermes reconstr…
Probing dynamical dark energy with late-time data: Evidence, tensions, and the limits of the CDM framework
Tengpeng Xu, Suresh Kumar, Yun Chen +2
We test the dynamical dark-energy CDM (CPL) framework against CDM using CMB anisotropies and lensing together with DESI DR2, SDSS-IV, transverse/angular BAO (BAOtr), and…
Dynamical Dark Energy and the Unresolved Hubble Tension: Multi-model Constraints from DESI 2025 and Other Probes
Zhuoming Zhang, Tengpeng Xu, Yun Chen
We present a Bayesian comparative analysis of five cosmological models: CDM, CDM, CDM, CDM (with scalar-field dark energy), and an interacting dark energy scenario…
CSST Strong Lensing Preparation: Cosmological Constraints Forecast from CSST Galaxy-Scale Strong Lensing
Hengyu Wu, Yun Chen, Tonghua Liu +6
Strong gravitational lensing by galaxies is a powerful tool for studying cosmology and galaxy structure. The China Space Station Telescope (CSST) will revolutionize this field by d…
Baryon Acoustic Oscillations analyses with Density-Split Statistics
Tengpeng Xu, Yan-Chuan Cai, Yun Chen +3
Accurate modeling for the evolution of the Baryon Acoustic Oscillations (BAO) is essential for using it as a standard ruler to probe cosmology. We explore the non-linearity of the…
Effects of type Ia supernovae absolute magnitude priors on the Hubble constant value
Yun Chen, Suresh Kumar, Bharat Ratra +1
We systematically explore the influence of the prior of the peak absolute magnitude () of type Ia supernovae (SNe Ia) on the measurement of the Hubble constant () from SNe…