ScalingStacks

0PKX

Proposition 3 For a surface S∈Mor⁡(ℳ),S\in{\mathrm{Mor}}(\mathcal{M}), the degree of the map F⁡(S)F(S) of graded RR-modules is equal to the Euler characteristic of S.S.

Original mathematics by the credited authors. Source collection and HTML conversion remain in progress.

Mikhail Khovanov

Original source: arXiv:math/9908171v2