English

Projective Space: Harmonicity and Projectivity

Combinatorics 2016-12-28 v1

Abstract

For an axiomatization of three-dimensional projective space based on points and planes, we discuss appropriate versions of the harmonicity axiom and the projectivity axiom, showing that each axiom is equivalent to its spatial dual.

Keywords

Cite

@article{arxiv.1612.08422,
  title  = {Projective Space: Harmonicity and Projectivity},
  author = {P. L. Robinson},
  journal= {arXiv preprint arXiv:1612.08422},
  year   = {2016}
}
R2 v1 2026-06-22T17:34:37.330Z