@misc{Nifa2026EinsteinInstabilityWeylGap,
  author = {Nifa, Anass},
  title = {{Instability of Einstein warped products and a one-sided Weyl curvature gap}},
  year = {2026},
  doi = {10.5281/zenodo.22851382},
  url = {https://anassnifa.com/papers/einstein-instability-weyl-gap/},
  howpublished = {Preprint, Zenodo},
  note = {v1},
}