Hurwitz's Freeness Property
General Mathematics
2008-10-27 v2
Abstract
The groupoid attached to the action of PSL(2,Z) on the irrational reals by linear fractional transformations is free.
Cite
@article{arxiv.0809.0550,
title = {Hurwitz's Freeness Property},
author = {Pierre-Yves Gaillard},
journal= {arXiv preprint arXiv:0809.0550},
year = {2008}
}
Comments
LaTeX, 3 pages. Minor change