English

A new class of affine $K(\pi,1)$ arrangements

Group Theory 2025-12-02 v1 Combinatorics Geometric Topology Metric Geometry

Abstract

We show that a certain class of affine hyperplane arrangements are K(π,1)K(\pi,1) by endowing their Falk complexes with an injective metric. This gives new examples of infinite K(π,1)K(\pi,1) arrangements in dimension n>2n>2.

Keywords

Cite

@article{arxiv.2512.00318,
  title  = {A new class of affine $K(\pi,1)$ arrangements},
  author = {Katherine Goldman and Jingyin Huang},
  journal= {arXiv preprint arXiv:2512.00318},
  year   = {2025}
}

Comments

28 pages. Comments welcome