Lenny Ng Eads Family Professor Department of Mathematics Duke University Office: Physics 216 Phone: 919-660-6972 Email: my surname at math dot duke dot edu (further contact information here) Refresh for another random image; click image for gallery.

Papers and preprints Teaching (Fall 2018: Math 89S, Math 790) Travel schedule Contact information Other professional information (CV, publication list) Mathematical links Legendrian knot and link atlases Legendrian knot gallery Putnam solutions About me I am a co-director for DOmath, the Duke math department's collaborative summer research program for Duke undergraduates. The 2018 program ran from May 29 to July 20; here is a link to information about DOmath 2018. I help to organize the Triangle Topology Seminar, a joint seminar between Duke, NCSU, and UNC. Here is a link to upcoming seminars. Solutions to the 2017 Putnam competition are now available. I am an editor for the journal Quantum Topology. Please send me a message if you are interested in submitting an article, especially in symplectic and contact topology.