@article{koopmansubspacepruninginreproducingkerne,
  title = {Koopman Subspace Pruning in Reproducing Kernel Hilbert Spaces via Principal Vectors},
  author = {Dhruv Shah and Jorge Cortes},
  year = {2026},
  eprint = {2604.01459},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.01459},
}