@misc{dantas2026theorem,
  title={A No-Go Theorem for Quantum Cosmologies with Non-natural Hamiltonians},
  author={Christine C. Dantas},
  year={2026},
  eprint={2605.13921},
  archivePrefix={arXiv},
  primaryClass={gr-qc},
  url={https://arxiv.org/abs/2605.13921}
}