Universal Khovanov-Rozansky sl(2) cohomology

Details Universal Khovanov-Rozansky sl(2) cohomology Universal Khovanov-Rozansky sl(2) cohomology

2008-05-18

arxiv.org/abs/0805.2755v1

J. Knot Theory And Its Ramifications 19, Issue 6 (2010), 739-761

Mathematics

Geometric Topology

24 pages, 15 figures

Scientific paper

We generalize the Khovanov-Rozansky cohomology for n=2 by means of a
homogeneous potential that depends on two parameters, to obtain the universal
Khovanov-Rozansky sl(2) link cohomology. This theory is equivalent to the
universal foam sl(2) link cohomology, after tensoring both theories with
appropriate rings.

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