Geodesic
A Legendrian Thurston–Bennequin bound from Khovanov homology
Ng, Lenhard1
1Department of Mathematics, Stanford University, Stanford CA 94305, USA
Algebraic and Geometric Topology, Tome 5 (2005) no. 4, pp. 1637-1653
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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.

DOI : 10.2140/agt.2005.5.1637
Keywords: Legendrian link, Thurston–Bennequin number, Khovanov homology, alternating link

Ng, Lenhard  1

1 Department of Mathematics, Stanford University, Stanford CA 94305, USA 
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Ng, Lenhard. A Legendrian Thurston–Bennequin bound from Khovanov homology. Algebraic and Geometric Topology, Tome 5 (2005) no. 4, pp. 1637-1653. doi: 10.2140/agt.2005.5.1637

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