@misc{Nifa2026SmallRegionsPersistentHomologyCompanion,
  author = {Nifa, Anass},
  title = {{Small regions, persistent homology: an illustrated companion to the construction}},
  year = {2026},
  url = {https://anassnifa.com/papers/small-regions-persistent-homology-companion/},
  howpublished = {Illustrated companion},
  note = {v1},
}