Lenhard L. Ng, Eads Family Professor

Lenhard L. Ng
Office Location:  231
Office Phone:  (919) 660-6972
Email Address: send me a message
Web Page:  http://www.math.duke.edu/~ng/

Teaching (Spring 2017):

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.

Ph.D.Massachusetts Institute of Technology2001
ABHarvard University1996

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


Symplectic geometry • Low dimensional topology • Contact geometry • Knot theory • Holomorphic curves

Current Ph.D. Students  

Postdocs Mentored

Undergraduate Research Supervised

Recent Publications

  1. Cornwell, C; Ng, L; Sivek, S, Obstructions to Lagrangian concordance, Algebraic and Geometric Topology, vol. 16 no. 2 (April, Accepted, 2016), pp. 797-824 [arXiv:1411.1364], [doi]
  2. Ekholm, T; Ng, L, Legendrian contact homology in the boundary of a subcritical weinstein 4-Manifold, Journal of Differential Geometry, vol. 101 no. 1 (January, 2015), pp. 67-157, ISSN 0022-040X  [abs]
  3. L. Ng, D. Rutherford, V. Shende, S. Sivek, and E. Zaslow, Augmentations are sheaves (Submitted, 2015) [arXiv:1502.04939]
  4. L. Ng, D. Rutherford, V. Shende, and S. Sivek, The cardinality of the augmentation category of a Legendrian link (Submitted, 2015) [arXiv:1511.06724]
  5. 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]
Recent Grant Support

Conferences Organized