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Title: Link homology and Frobenius extensions
Authors: Mikhail Khovanov
Categories: math.QA Quantum Algebra (math.GT Geometric Topology)
Comments: 13 pages, 2 figures
MSC: 57M27
Journal reference: Fundamenta Mathematicae, 190 (2006), 179-190.
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.
Owner: Mikhail Khovanov
Version 1: Sat, 20 Nov 2004 00:56:47 GMT
Version 2: Mon, 20 Feb 2006 02:07:09 GMT
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