Legendrian links and the spanning tree model for Khovanov homology

Wu, Hao

doi:10.2140/agt.2006.6.1745

Download this article
	For screen
	For printing

Recent Issues

The Journal

About the Journal

Editorial Board

Subscriptions

Submission Guidelines

Submission Page

Policies for Authors

Ethics Statement

ISSN 1472-2739 (online)

ISSN 1472-2747 (print)

Author Index

To Appear

Other MSP Journals

Legendrian links and the spanning tree model for Khovanov homology

Hao Wu

Algebraic & Geometric Topology 6 (2006) 1745–1757

DOI: 10.2140/agt.2006.6.1745

arXiv: math.GT/0605630

Abstract

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.

Keywords

Legendrian link, Khovanov homology, Tait graph, spanning tree

Mathematical Subject Classification 2000

Primary: 57M25

Secondary: 57R17

References

Forward citations

Publication

Received: 31 May 2006

Revised: 25 August 2006

Accepted: 26 August 2006

Published: 21 October 2006

Authors

Hao Wu
Department of mathematics and Statistics Lederle Graduate Research Tower 710 North Pleasant Street University of Massachusetts Amherst, MA 01003-9305 USA

Volume 6, issue 4 (2006)