@misc{Wuebben2026-cy-vanishing-cycle,
  author = {Bernd Johannes Wuebben},
  title = {{A vanishing-cycle obstruction to smoothing Calabi–Yau threefolds}},
  year = {2026},
  doi = {10.48550/arXiv.2610.35911},
  url = {https://doi.org/10.48550/arXiv.2610.35911},
  note = {Preprint}
}