3 papers
astro-ph.CO2025
Cosmological Simulations with Massive Neutrinos: Efficiency and Accuracy
Bing-Hang Chen, Jun-Jie Zhao, Hao-Ran Yu +3
Constraining neutrino mass through cosmological observations relies on precise simulations to calibrate their effects on large scale structure, while these simulations must overcom…
astro-ph.CO2025
The Jiutian simulations for the CSST extra-galactic surveys
Jiaxin Han, Ming Li, Wenkang Jiang +23
We provide an overview of the Jiutian simulations, a hybrid simulation suite for the China Space Survey Telescope (CSST) extragalactic surveys. It consists of four complementary mo…
astro-ph.CO2024
Enhancing Morphological Measurements of Cosmic Web with Delaunay Tessellation Field Estimation
Yu Liu, Yu Yu, Pengjie Zhang +1
The density fields constructed by traditional mass assignment methods are susceptible to irritating discreteness, which hinders morphological measurements of cosmic large-scale str…