2 papers
math.GT2002
Remarks on definition of Khovanov homology
Oleg Viro
Mikhail Khovanov in math.QA/9908171 defined, for a diagram of an oriented classical link, a collection of groups numerated by pairs of integers. These groups were constructed as ho…
math.AG2000
Encomplexing the writhe
Oleg Viro
A detailed version of preprint "Self-linking number of a real algebraic link" by the same author, alg-geom/9410030. For a nonsingular real algebraic curve in 3-dimensional projecti…