The universal sl(2) cohomology via webs and foams
Geometric Topology
2009-04-09 v2
Abstract
We construct the universal sl(2)-tangle cohomology using an approach with webs and dotted foams. This theory depends on two parameters, and for the case of links it is a categorification of the unnormalized Jones polynomial of the link.
Cite
@article{arxiv.0802.2848,
title = {The universal sl(2) cohomology via webs and foams},
author = {Carmen Caprau},
journal= {arXiv preprint arXiv:0802.2848},
year = {2009}
}
Comments
27 pages, many figures; v2: changes following referee's suggestions, typos corrected