English

The collapsibility of CAT(0) square 2-complexes

Group Theory 2020-07-14 v2

Abstract

We give a sufficient condition for the collapsibility of finite square 2-complexes. We show that any finite, CAT(0) square 2-complex retracts to a point through CAT(0) subspaces.

Cite

@article{arxiv.2006.16754,
  title  = {The collapsibility of CAT(0) square 2-complexes},
  author = {Ioana-Claudia Lazăr},
  journal= {arXiv preprint arXiv:2006.16754},
  year   = {2020}
}

Comments

19 pages, 18 figures. arXiv admin note: text overlap with arXiv:1508.03979

R2 v1 2026-06-23T16:44:02.744Z