摘要
We show that the information contained in the associated graded vector space to Gornik%26apos;s version of Khovanov-Rozansky knot homology is equivalent to a single even integer s(n)(K). Furthermore we show that s(n) is a homomorphism from the smooth knot concordance group to the integers. This is in analogy with Rasmussen%26apos;s invariant coming from a perturbation of Khovanov homology.
- 出版日期2012