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math.GT2014
A perturbation of the geometric spectral sequence in Khovanov homology
Sucharit Sarkar, Cotton Seed, Zoltan Szabo
We study the relationship between Bar-Natan's perturbation in Khovanov homology and Szabo's geometric spectral sequence, and construct a link invariant that generalizes both into a…
math.GT2014★ 184 cited
Concordance homomorphisms from knot Floer homology
Peter Ozsvath, Andras Stipsicz, Zoltan Szabo
We modify the construction of knot Floer homology to produce a one-parameter family of homologies for knots in the three-sphere. These invariants can be used to give homomorphisms…