Tight contact structures on Seifert manifolds over T 2 with one singular fibre. Ghiggini, Paolo — 2005 Algebraic & Geometric Topology
Infinitely many universally tight contact manifolds with trivial Ozsváth-Szabó contact invariants. Ghiggini, Paolo — 2006 Geometry & Topology
Strongly fillable contact 3-manifolds without Stein fillings. Ghiggini, Paolo — 2005 Geometry & Topology