## Research Interests for Lenhard L. Ng

**Research Interests:** *Symplectic geometry, Low dimensional topology, Contact geometry, Knot theory, Holomorphic curves*
**Keywords:**
- Contact geometry, Holomorphic curves, Knot theory, Low dimensional topology, Symplectic and contact topology, Symplectic geometry, Three-manifolds (Topology), Topology

**Recent Publications**
- Ekholm, T; Ng, L; Shende, V,
*A complete knot invariant from contact homology*,
Inventiones Mathematicae, vol. 211 no. 3
(March, 2018),
pp. 1149-1200 [doi] [abs]
- Cieliebak, K; Ekholm, T; Latschev, J; Ng, L,
*Knot contact homology, string topology, and the cord algebra*, vol. 4
(January, 2017),
pp. 661-780 [doi] [abs]
- Ng, L; Rutherford, D; Shende, V; Sivek, S,
*The cardinality of the augmentation category of a Legendrian link*,
Mathematical Research Letters, vol. 24 no. 6
(2017),
pp. 1845-1874
- Cornwell, C; Ng, L; Sivek, S,
*Obstructions to Lagrangian concordance*,
Algebraic & Geometric Topology, vol. 16 no. 2
(April, Accepted, 2016),
pp. 797-824 [arXiv:1411.1364], [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
(September, 2015),
pp. 67-157, ISSN 0022-040X [doi] [abs]