English

A surgical perspective on quasi-alternating links

Geometric Topology 2009-10-05 v1

Abstract

We show that quasi-alternating links arise naturally when considering surgery on a strongly invertible L-space knot (that is, a knot that yields an L-space for some Dehn surgery). In particular, we show that for many known classes of L-space knots, every sufficiently large surgery may be realized as the two-fold branched cover of a quasi-alternating link. Consequently, there is considerable overlap between L-spaces obtained by surgery on S3S^3, and L-spaces resulting as two-fold branched covers of quasi-alternating links. By adapting this approach to certain Seifert fibered spaces, it is possible to give an iterative construction for quasi-alternating Montesinos links.

Keywords

Cite

@article{arxiv.0910.0449,
  title  = {A surgical perspective on quasi-alternating links},
  author = {Liam Watson},
  journal= {arXiv preprint arXiv:0910.0449},
  year   = {2009}
}

Comments

16 pages, 12 figures