On the secondary Upsilon invariant
Geometric Topology
2021-08-25 v1
Abstract
In this paper we construct an infinite family of knots with vanishing Upsilon invariant , although their secondary Upsilon invariants show that they are linearly independent in the smooth knot concordance group. We also prove a conjecture in a paper by Allen.
Keywords
Cite
@article{arxiv.1805.09376,
title = {On the secondary Upsilon invariant},
author = {Xiaoyu Xu},
journal= {arXiv preprint arXiv:1805.09376},
year = {2021}
}