English

Properties of knots preserved by cabling

Geometric Topology 2010-10-18 v1

Abstract

We examine geometric properties of a knot J that are unchanged by taking a (p,q)-cable K of J. Specifically, we relate w(K) to w(J), where w(K) is the width of K in the sense of Gabai. We use this information to demonstrate that thin position is a minimal bridge position of J if and only if the same is true for K, and more generally we show that any thin position of K is an "obvious" cabling of a thin position of J. We conclude by proving that J is meridionally small (mp-small) if and only if K is meridionally small (mp-small), and if J is mp-small and every non-minimal bridge position of J is stabilized, then the same is true for K.

Keywords

Cite

@article{arxiv.1010.3220,
  title  = {Properties of knots preserved by cabling},
  author = {Alexander Zupan},
  journal= {arXiv preprint arXiv:1010.3220},
  year   = {2010}
}

Comments

20 pages, 6 figures

R2 v1 2026-06-21T16:29:08.771Z