English

Left-orderable, non-L-space surgeries on knots

Geometric Topology 2013-10-23 v3

Abstract

Let K be a knot in the 3--sphere. An r-surgery on K is left-orderable if the resulting 3--manifold K(r) of the surgery has left-orderable fundamental group, and an r-surgery on K is called an L-space surgery if K(r) is an L-space. A conjecture of Boyer, Gordon and Watson says that non-reducing surgeries on K can be classified into left-orderable surgeries or L-space surgeries. We introduce a way to provide knots with left-orderable, non-L-space surgeries. As an application we present infinitely many hyperbolic knots on each of which every nontrivial surgery is a hyperbolic, left-orderable, non-L-space surgery.

Keywords

Cite

@article{arxiv.1301.5729,
  title  = {Left-orderable, non-L-space surgeries on knots},
  author = {Kimihiko Motegi and Masakazu Teragaito},
  journal= {arXiv preprint arXiv:1301.5729},
  year   = {2013}
}

Comments

23 pages, substantial revisions of the previously posted paper. To appear in Comm. Anal. Geom

R2 v1 2026-06-21T23:14:36.868Z