@misc{lourens2022hierarchical,
  title={Hierarchical quantum circuit representations for neural architecture search},
  author={Matt Lourens and Ilya Sinayskiy and Daniel K. Park and Carsten Blank and Francesco Petruccione},
  year={2022},
  eprint={2210.15073},
  archivePrefix={arXiv},
  primaryClass={quant-ph},
  doi={10.1038/s41534-023-00747-z},
  url={https://arxiv.org/abs/2210.15073}
}