English

Every flock generalised quadrangle has a hemisystem

Combinatorics 2012-06-26 v1

Abstract

We prove that every flock generalised quadrangle contains a hemisystem, and we provide a construction method which unifies our results with the examples of Cossidente and Penttila in the classical case.

Cite

@article{arxiv.0912.2574,
  title  = {Every flock generalised quadrangle has a hemisystem},
  author = {John Bamberg and Michael Giudici and Gordon Royle},
  journal= {arXiv preprint arXiv:0912.2574},
  year   = {2012}
}
R2 v1 2026-06-21T14:23:24.058Z