Geodesic
Legendrian links and the spanning tree model for Khovanov homology
Wu, Hao1
1Department of mathematics and Statistics, Lederle Graduate Research Tower, 710 North Pleasant Street, University of Massachusetts, Amherst, MA 01003-9305, USA
Algebraic and Geometric Topology, Tome 6 (2006) no. 4, pp. 1745-1757
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We use the spanning tree model for Khovanov homology to study Legendrian links. This leads to an alternative proof for Ng’s Khovanov bound for the Thurston–Bennequin number and to both a necessary and a sufficient condition for this bound to be sharp.

DOI : 10.2140/agt.2006.6.1745
Keywords: Legendrian link, Khovanov homology, Tait graph, spanning tree

Wu, Hao  1

1 Department of mathematics and Statistics, Lederle Graduate Research Tower, 710 North Pleasant Street, University of Massachusetts, Amherst, MA 01003-9305, USA 
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Wu, Hao. Legendrian links and the spanning tree model for Khovanov homology. Algebraic and Geometric Topology, Tome 6 (2006) no. 4, pp. 1745-1757. doi: 10.2140/agt.2006.6.1745

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