A mixed invariant of non-orientable surfaces in equivariant Khovanov homology

2021/09/18 by Lipshitz, Robert, Sarkar, Sucharit · 2 citations
#57K18 #57K45 #FOS: Mathematics #Geometric Topology (math.GT)

paper · doi:10.48550/arxiv.2109.09018

Abstract

We construct a mixed invariant of non-orientable surfaces from the Lee and Bar-Natan deformations of Khovanov homology and use it to distinguish pairs of surfaces bounded by the same knot, including some exotic examples.

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