Cobordism invariants for knots with two indices

2022/01/01 by Manturov, Vassily Olegovich
#57M25 #57M27 #FOS: Mathematics #Geometric Topology (math.GT)

paper · doi:10.48550/arxiv.2201.00209

Abstract

We construct an invariant of virtual knots which is a sliceness obstruction and sensitive to the Δ-move. This invariants works if \Z₂⊕ \Z₂-index of chords is present.

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