English

Profinite rigidity for two-bridge links and 3-tangle Montesinos links

Geometric Topology 2026-03-24 v1 Group Theory

Abstract

For any two-bridge link or 3-tangle Montesinos link LS3L\subset S^3 (including knot), this paper proves that π1(S3L)\pi_1(S^3-L) is profinitely rigid among the fundamental groups of compact orientable 3-manifolds.

Keywords

Cite

@article{arxiv.2603.20822,
  title  = {Profinite rigidity for two-bridge links and 3-tangle Montesinos links},
  author = {Tamunonye Cheetham-West and Xiaoyu Xu},
  journal= {arXiv preprint arXiv:2603.20822},
  year   = {2026}
}

Comments

22 pages, 3 figures; comments are welcome!