Office Location: | 231 Physics |

Office Phone: | (919) 660-6972 |

Email Address: | |

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

**Teaching (Fall 2014):**

- MATH 612.01,
*ALGEBRAIC TOPOLOGY II*Synopsis- Physics 227, TuTh 03:05 PM-04:20 PM

- MATH 690-10.01,
*TOPOLOGY*Synopsis- Physics 227, TuTh 01:25 PM-02:40 PM

**Office Hours:**- Fall 2014:

Mondays 3:00 - 4:00

Wednesdays 2:30 - 4:00

and by appointment.

**Education:**PhD MIT 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 - present)
- Daniel Rutherford (2008 - 2011)

**Undergraduate Research Supervised**- Wutichai Chongchitmate (2009 - 2010)
- Tirasan Khandhawit (2007 - 2008)

**Recent Publications**- L. Ng,
*A topological introduction to knot contact homology*, in Contact and Symplectic Topology, edited by F. Bourgeois, V. Colin, and A. Stipsicz (2014), ISBN 978-3-319-02035-8 [arXiv:1210.4803], [doi] - T. Ekholm and L. Ng,
*Legendrian contact homology in the boundary of a subcritical Weinstein 4-manifold*(Submitted, 2013) [arXiv:1307.8436] - L. Ng and D. Rutherford,
*Satellites of Legendrian knots and representations of the Chekanov-Eliashberg algebra*, Algebraic & Geometric Topology, vol. 13 no. 5 (2013), pp. 3047–3097 [arXiv:1206.2259], [doi] - W. Chongchitmate and L. Ng,
*An atlas of Legendrian knots*, Experimental Mathematics, vol. 22 no. 1 (2013), pp. 26-37 [arXiv:1010.3997], [doi] - J. Etnyre, L. Ng, and V. Vertesi,
*Legendrian and transverse twist knots*, Journal of the European Mathematical Society, vol. 15 no. 3 (2013), pp. 451-512 [arXiv:1002.2400], [doi]

- L. Ng,

**Recent Grant Support***CAREER: Symplectic Field Theory and Low-Dimensional Topology*, National Science Foundation, 0846346, 2009/09-2014/08.

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