Search for torsion in Khovanov homology

Sujoy Mukherjee, Józef H. Przytycki, Marithania Silvero +2

In the Khovanov homology of links, presence of ${\mathbb{Z}}_2$-torsion is a very common phenomenon. Finite number of examples of knots with ${\mathbb{Z}}_n$-torsion for $n>2$ were als…