Link homology and Frobenius extensions
Volume 190 / 2006
Fundamenta Mathematicae 190 (2006), 179-190
MSC: Primary 57M27.
DOI: 10.4064/fm190-0-6
Abstract
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.
