Khovanov's invariant for closed surfaces
arXiv:math/0502527
Abstract
We compute the Khovanov-Jacobsson number of an embedded torus in R^4. The answer is always 2, regardless of the embedding.
7 pages, 2 figures
References in corpus (3)
Cited by in corpus (10)
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- Relative Khovanov-Jacobsson classes
- Divisibility of Lee's class and its relation with Rasmussen's invariant
- A mixed invariant of non-orientable surfaces in equivariant Khovanov homology
- Homotopy functoriality for Khovanov spectra