Relating the Structure of Dark Matter Halos to Their Assembly and Environment

@article{Chen2020RelatingTS,
  title={Relating the Structure of Dark Matter Halos to Their Assembly and Environment},
  author={Y. Chen and H. Mo and C. Li and H. Wang and X. Yang and Y. Zhang and K. Wang},
  journal={The Astrophysical Journal},
  year={2020},
  volume={899},
  pages={81}
}
  • Y. Chen, H. Mo, +4 authors K. Wang
  • Published 2020
  • Physics
  • The Astrophysical Journal
  • We use a large $N$-body simulation to study the relation of the structural properties of dark matter halos to their assembly history and environment. The complexity of individual halo assembly histories can be well described by a small number of principal components (PCs), which, compared to formation times, provide a more complete description of halo assembly histories and have a stronger correlation with halo structural properties. Using decision trees built with the random ensemble method… CONTINUE READING
    3 Citations

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