On a Result of Riemenschneider.
On base change theorem and coherence in rigid cohomology.
On Border Basis and Gröbner Basis Schemes.
On canonical fibrations of algebraic surfaces.
On certain rigid fibered Calabi-Yau threefolds.
On Chow rings of fine moduli spaces of modules.
On deformation of maximally degenerate stable marked curves and Oda's problem.
On Deformations of Quintic Surfaces.
On Deformations of Threedimensional Rational Manifolds.
On del Pezzo fibrations
On Donaldson polynomials of rational ruled surfaces.
On Elliptic Surfaces in Characteristic p.
On Extremal Rational Elliptic Surfaces.
On Families of Birationally Equivalent Varieties.
On Grothendieck's generalized Hodge conjecture for a family of threefolds with trivial canonical bundle.
On Hodge structures and non-representability of Chow groups
On joint moduli spaces.
On limiting rational curves.
On Moduli of Algebraic Varieties. I.
On moduli of algebraic varieties II