Office Location: | 231 |

Office Phone: | (919) 660-6972 |

Email Address: | |

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

**Teaching (Fall 2016):**

- MATH 89S.02,
*FIRST-YEAR SEMINAR (TOP)*Synopsis- Physics 205, WF 03:05 PM-04:20 PM

- MATH 431.02,
*ADVANCED CALCULUS I*Synopsis- Physics 259, WF 01:25 PM-02:40 PM

- MATH 621.01,
*DIFFERENTIAL GEOMETRY*Synopsis- Physics 205, WF 04:40 PM-05:55 PM

**Office Hours:**- Fall 2016:

Mondays 1:00-2:00 (preference to Math 431 students)

Wednesdays 4:20-5:00 (preference to Math 89S students)

Thursdays 12:30-1:30

and by appointment.

**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**- Yu Pan
- Caitlin Leverson

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

**Undergraduate Research Supervised**- Alexandru Milu (2014 - 2015)
- Alexandru Milu (May 12, 2014 - June 27, 2014)
- Wutichai Chongchitmate (2009 - 2010)
- Tirasan Khandhawit (2007 - 2008)

**Recent Publications**- C. Cornwell, L. Ng, and S. Sivek,
*Obstructions to Lagrangian concordance*, Algebraic & Geometric Topology (Accepted, 2015) [arXiv:1411.1364] - L. Ng, D. Rutherford, V. Shende, S. Sivek, and E. Zaslow,
*Augmentations are sheaves*(Submitted, 2015) [arXiv:1502.04939] - L. Ng, D. Rutherford, V. Shende, and S. Sivek,
*The cardinality of the augmentation category of a Legendrian link*(Submitted, 2015) [arXiv:1511.06724] - Lipshitz, R; Ng, L; Sarkar, S,
*On transverse invariants from Khovanov homology*, Quantum Topology, vol. 6 no. 3 (2015), pp. 475-513, ISSN 1663-487X [doi] - Ekholm, T; Ng, L,
*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,

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