@misc{ARR-2026-03PY6WTF258KGSRN-v1,
  author = {Lluis Eriksson},
  title = {{Two-state exact routing: algebraic feasibility and sharp delay-two rigidity}},
  year = {2026},
  howpublished = {AIRR.SCIENCE},
  note = {Research preprint; ARR-2026-03PY6WTF258KGSRN v1. Not peer reviewed by AIRR.},
  url = {https://airr.science/papers/ARR-2026-03PY6WTF258KGSRN/versions/v1/}
}