The Bifurcation Set and Logarithmic Vector Fields.
The hard Lefschetz theorem and the topology of semismall maps
The hodge conjecture for cubic fourfolds
The Serre Problem on Riemann Surfaces.
The Serre problem with Reinhardt fibers
The Serre problem is solved for fiber bundles whose fibers are two-dimensional pseudoconvex hyperbolic Reinhardt domains.
Topologisch triviale holomorphe Vektorbündel auf ... (...).
Torsion Freeness of Higher Direct Images of Canonical Bundles.
Two vanishing theorems for holomorphic vector bundles of mixed sign.