Link homology and Frobenius extensions

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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.
13 pages, 2 figures

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Quantum Algebra, Geometric Topology, 57M27

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http://salesiana.dossiersoluciones.com/handle/123456789/100947

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0411447
 http://arxiv.org/abs/math/0411447
 Fundamenta Mathematicae, 190 (2006), 179-190.

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arXiv