@article{koopmanspectrumnonlinearregulatorand,
  title = {Koopman Spectrum Nonlinear Regulators and Efficient Online Learning},
  author = {Motoya Ohnishi and Isao Ishikawa and Kendall Lowrey and Masahiro Ikeda and Sham Kakade and Yoshinobu Kawahara},
  year = {2021},
  eprint = {2106.15775},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.15775v2},
}