Canonical framings for 3-manifolds
Simply connected symplectic 4-manifolds with positive signature
Planar linkages and algebraic sets
A new approach to immersion theory
Seiberg-Witten invariants of mapping tori, symplectic fixed points, and Lefschetz numbers
A program to search for homotopy 3-spheres
On symplectic fillings of 3-manifolds
Virtual neighborhoods and pseudo-holomorphic curves