The Dold-Whitney theorem and the Sato-Levine invariant
Geometric Topology
2017-09-29 v1
Abstract
We use the Dold-Whitney theorem classifying -bundles over a 4-complex to give a mod 4 obstruction to a 2-component link of trivial linking number being slice. It turns out that this coincides with the reduction of the Sato-Levine invariant.
Keywords
Cite
@article{arxiv.1709.09922,
title = {The Dold-Whitney theorem and the Sato-Levine invariant},
author = {Andrew Lobb},
journal= {arXiv preprint arXiv:1709.09922},
year = {2017}
}
Comments
5 pages