Simply connected minimal symplectic 4-manifolds with signature less than −1
Smooth structures on Pi-manifolds
Smooth structures on sphere bundles over spheres.
Smooth sturctures on algebraic surfaces with cyclic fundamental group.
Some Exotic Spheres with Positive Ricci Curvature.
Stahle bundles and differentiable structures on certain elliptic surfaces.
Sur les groupes
Symplectic geometry and the relative Donaldson invariants of CP2.