Khovanov homology and the slice genus
Khovanov homology and the slice genus
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Khovanov 同源性和切片属
DOI:
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发表时间:
2004
期刊:
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通讯作者:
J. Rasmussen
中科院分区:
文献类型:
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作者:
J. Rasmussen
We use Lee’s work on the Khovanov homology to define a knot invariant s. We show that s(K) is a concordance invariant and that it provides a lower bound for the smooth slice genus of K. As a corollary, we give a purely combinatorial proof of the Milnor conjecture.