On the degeneration ratio of tunnel numbers and free tangle decompositions of knots
arXiv:0904.0014 · doi:10.2140/gtm.2007.12.265
Abstract
In this paper, we introduce a notion called n/k-free tangle and study the degeneration ratio of tunnel numbers of knots.
arXiv commentThis is the version published by Geometry & Topology Monographs on 3 December 2007