@misc{ARR-2026-2MHNZRRJP49Y9SWP-v1,
  author = {Lluis Eriksson},
  title = {{The Exact Universal Rank Floor for Point-Span Tangent Absorption: Projection, Fattening, and Common-Tangent Extremizers}},
  year = {2026},
  howpublished = {AIRR.SCIENCE},
  note = {Research preprint; ARR-2026-2MHNZRRJP49Y9SWP v1. Not peer reviewed by AIRR.},
  url = {https://airr.science/papers/ARR-2026-2MHNZRRJP49Y9SWP/versions/v1/}
}