Office Location: | 231 Physics Bldg, Durham, NC 27708 |

Email Address: | |

Web Page: | http://www.math.duke.edu/~ng/ |

**Education:**Ph.D. Massachusetts Institute of Technology 2001 AB Harvard University 1996

**Specialties:**-
Geometry

Topology

**Research Interests:***Symplectic geometry, Low dimensional topology, Contact geometry, Knot theory, Holomorphic curves*

**Keywords:**Symplectic geometry • Low dimensional topology • Contact geometry • Knot theory • Holomorphic curves

**Current Ph.D. Students**

**Postdocs Mentored**- Christopher Cornwell (2011 - 2014)
- Daniel Rutherford (2008 - 2011)

**Undergraduate Research Supervised**- Alexandru Milu (May 12, 2014 - June 27, 2014)
- Wutichai Chongchitmate (2009 - 2010)
- Tirasan Khandhawit (2007 - 2008)

**Recent Publications**- R Lipshitz, L Ng and S Sarkar,
*On transverse invariants from Khovanov homology*, Quantum Topology, vol. 6 no. 3 (2015), pp. 475-513, ISSN 1663-487X [doi] - T Ekholm and L Ng,
*Legendrian contact homology in the boundary of a subcritical weinstein 4-Manifold*, Journal of Differential Geometry, vol. 101 no. 1 (2015), pp. 67-157, ISSN 0022-040X [abs] - C. Cornwell, L. Ng, and S. Sivek,
*Obstructions to Lagrangian concordance*(Submitted, 2014) [arXiv:1411.1364] - L. Ng,
*A topological introduction to knot contact homology*, in Contact and Symplectic Topology, edited by F. Bourgeois, V. Colin, and A. Stipsicz, Bolyai Society Mathematical Studies, vol. 26 (2014), pp. 485-530, ISSN 1217-4696, ISBN 978-3-319-02035-8 [arXiv:1210.4803], [doi] - M. Aganagic, T. Ekholm, L. Ng, and C. Vafa,
*Topological strings, D-model, and knot contact homology*, Advances in Theoretical and Mathematical Physics, vol. 18 no. 4 (2014), pp. 827-956, ISSN 1095-0761 [arXiv:1304.5778], [doi]

- R Lipshitz, L Ng and S Sarkar,

**Recent Grant Support***Knots and contact topology through holomorphic curves*, National Science Foundation, DMS-1406371, 2014/09-2017/08.*Simons Foundation Fellowship*, Simons Foundation, 341289, 2015/07-2016/06.*CAREER: Symplectic Field Theory and Low-Dimensional Topology*, National Science Foundation, 0846346, 2009/09-2015/08.

**Conferences Organized**- Organizer : 27th Annual Geometry Festival. April 27, 2012 - April 29, 2012, Organizer, April 27, 2012 - April 29, 2012
- Organizer, workshop "Cyclic homology and symplectic topology". November 2009, November, 2009
- Organizer, workshop "Algebraic structures in the theory of holomorphic curves". November 2009, November, 2009