Concordance invariants from the E(−1)E(-1) spectral sequence on Khovanov homology

preprint2020arXivOpen access

Abstract

We construct the concordance invariant coming from the E(−1)E(-1) spectral sequence on Khovanov homology in the same way Rasmussen's ss invariant comes from the Lee spectral sequence, and show that it gives a bound on the nonorientable slice genus.

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