English

Cobordism invariants for knots with two indices

Geometric Topology 2022-01-04 v1

Abstract

We construct an invariant of virtual knots which is a sliceness obstruction and sensitive to the Δ\Delta-move. This invariants works if Z2Z2\Z_{2}\oplus \Z_{2}-index of chords is present.

Keywords

Cite

@article{arxiv.2201.00209,
  title  = {Cobordism invariants for knots with two indices},
  author = {Vassily Olegovich Manturov},
  journal= {arXiv preprint arXiv:2201.00209},
  year   = {2022}
}

Comments

8 pages, 1 Figure

R2 v1 2026-06-24T08:37:35.528Z