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
arXiv:math/0502527
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