English

Fundamental groups of 2-complexes with nonpositive planar sectional curvature

Group Theory 2024-01-09 v1 Geometric Topology

Abstract

We show that the finite simply connected 2-complexes of nonpositive planar sectional curvature are collapsible. Moreover, we show that each finite connected 2-complex with negative planar sectional curvature and fundamental group Z\mathbb{Z} can be collapsed to a 1-dimensional cycle.

Keywords

Cite

@article{arxiv.2401.03520,
  title  = {Fundamental groups of 2-complexes with nonpositive planar sectional curvature},
  author = {Lycka Drakengren},
  journal= {arXiv preprint arXiv:2401.03520},
  year   = {2024}
}

Comments

10 pages, 1 figure