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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.
@article{MikhailKhovanov2006, 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.}, author = {Mikhail Khovanov}, journal = {Fundamenta Mathematicae}, keywords = {link homology; Khovanov homology; Frobenius extensions; TQFT; equivariant cohomology}, language = {eng}, number = {1}, pages = {179-190}, title = {Link homology and Frobenius extensions}, url = {http://eudml.org/doc/283072}, volume = {190}, year = {2006}, }
TY - JOUR AU - Mikhail Khovanov TI - Link homology and Frobenius extensions JO - Fundamenta Mathematicae PY - 2006 VL - 190 IS - 1 SP - 179 EP - 190 AB - 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. LA - eng KW - link homology; Khovanov homology; Frobenius extensions; TQFT; equivariant cohomology UR - http://eudml.org/doc/283072 ER -