Link homology and Frobenius extensions

Details Link homology and Frobenius extensions Link homology and Frobenius extensions

2004-11-20

arxiv.org/abs/math/0411447v2

Fundamenta Mathematicae, 190 (2006), 179-190.

Mathematics

Quantum Algebra

13 pages, 2 figures

Scientific paper

We explain how rank two Frobenius extensions of commutative rings lead to
link homology theories and discuss relations between these theories, Bar-Natan
theories, equivariant cohomology and the Rasmussen invariant.

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