Indecomposable non-orientable $PD_3$-complexes
Geometric Topology
2021-02-24 v4
Abstract
We show that the orientable double covering space of an indecomposable non-orientable -complex has torsion free fundamental group.
Cite
@article{arxiv.1401.6724,
title = {Indecomposable non-orientable $PD_3$-complexes},
author = {J. A. Hillman},
journal= {arXiv preprint arXiv:1401.6724},
year = {2021}
}
Comments
Treatment of Jacobian matrix in Lemma 3 corrected. v3 has been expanded to be more self-contained. New Lemma 5 in v4, to clarify argument of main result