Type: Article
Publication Date: 2005-11-25
Citations: 58
DOI: https://doi.org/10.2140/agt.2005.5.1637
We establish an upper bound for the Thurston-Bennequin number of a Legendrian link using the Khovanov homology of the underlying topological link.This bound is sharp in particular for all alternating links, and knots with nine or fewer crossings.