Search Results for author: Yangyao Chen

Found 2 papers, 2 papers with code

Measuring galaxy abundance and clustering at high redshift from incomplete spectroscopic data: Tests on mock catalogs

1 code implementation • 31 Aug 2020 • Jiacheng Meng, Cheng Li, Houjun Mo, Yangyao Chen, Kai Wang

We also quantify improvements expected in the PFS-like galaxy survey relative to zCOSMOS and VIPERS surveys.

Astrophysics of Galaxies

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Code

Relating the structure of dark matter halos to their assembly and environment

2 code implementations • 11 Mar 2020 • Yangyao Chen, H. J. Mo, Cheng Li, Huiyuan Wang, Xiaohu Yang, Youcai Zhang, Kai Wang

Using decision trees built with the random ensemble method, we find that the correlation between halo concentration and assembly history is tight: more than 60% of the variance in halo concentration can be explained by assembly history alone.

Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics

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Code

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