Von Staudt's theorem revisited
Algebraic Geometry
2024-02-13 v3 Rings and Algebras
Abstract
We establish a version of von Staudt's theorem on mappings which preserve harmonic quadruples for projective lines over (not necessarily commutative) rings with "sufficiently many" units, in particular 2 has to be a unit.
Cite
@article{arxiv.1302.4042,
title = {Von Staudt's theorem revisited},
author = {Hans Havlicek},
journal= {arXiv preprint arXiv:1302.4042},
year = {2024}
}
Comments
More typos corrected