We present an elementary description of Khovanov's homology of tangles [K2], in the spirit of Viro's paper [V]. The formulation here is over the polynomial ring ℤ[c], unlike [K2] where the theory was presented over the integers only.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm184-0-8, author = {Magnus Jacobsson}, title = {Chewing the Khovanov homology of tangles}, journal = {Fundamenta Mathematicae}, volume = {184}, year = {2004}, pages = {103-112}, zbl = {1066.57016}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm184-0-8} }
Magnus Jacobsson. Chewing the Khovanov homology of tangles. Fundamenta Mathematicae, Tome 184 (2004) pp. 103-112. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm184-0-8/