hi_class: Background Evolution, Initial Conditions and Approximation Schemes

@article{Bellini2019hi\_classBE,
  title={hi\_class: Background Evolution, Initial Conditions and Approximation Schemes},
  author={E. Bellini and I. Sawicki and M. Zumalac'arregui},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2019}
}
Cosmological datasets have great potential to elucidate the nature of dark energy and test gravity on the largest scales available to observation. Theoretical predictions can be computed with hi_class (this http URL), an accurate, fast and flexible code for linear cosmology, incorporating a wide range of dark energy theories and modifications to general relativity. We introduce three new functionalities into hi_class: (1) Support for models based on covariant Lagrangians, including a constraint… Expand

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