Note on Khovanov link cohomology
Bojan Gornik
math.QAarXiv:math/0402266
Abstract
We extend Lee's result on sl(2) Khovanov cohomology of a link L to the general sl(n) case: a filtered chain complex C(L) whose spectral sequence E2 term equals Khovanov cohomology is exhibited. We also compute C(L)'s cohomology: it depends only on linking numbers of certain sublinks of L.
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