Khovanov homology and the slice genus
2004; Cornell University; Linguagem: Inglês
10.48550/arxiv.math/0402131
Autores Tópico(s)Botulinum Toxin and Related Neurological Disorders
ResumoWe 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 slice genus of K. As a corollary, we give a purely combinatorial proof of the Milnor conjecture.
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