English

Contractible complexes and non-positive immersions

Geometric Topology 2024-04-10 v2 Group Theory

Abstract

We provide examples of contractible complexes which fail to have non-positive immersions and weak non-positive immersions, answering a conjecture of Wise in the negative.

Keywords

Cite

@article{arxiv.2210.02304,
  title  = {Contractible complexes and non-positive immersions},
  author = {William Fisher},
  journal= {arXiv preprint arXiv:2210.02304},
  year   = {2024}
}

Comments

7 pages, 3 figures; Improved readability and added figures

R2 v1 2026-06-28T02:51:35.318Z