Band Number and the Double Slice Genus
Geometric Topology
2019-01-24 v1
Abstract
We study the double slice genus of a knot, a natural generalization of slice genus. We define a notion called band number, a natural generalization of band unknotting number, and prove it is an upper bound on double slice genus. Our bound is based on an analysis of broken surface diagrams and embedding properties of 3-manifolds in 4-manifolds.
Keywords
Cite
@article{arxiv.1901.07625,
title = {Band Number and the Double Slice Genus},
author = {Clayton McDonald},
journal= {arXiv preprint arXiv:1901.07625},
year = {2019}
}