The algebraic geometry of representation spaces associated to Seifert fibered homology 3-spheres.
The classification of 4-dimensional Kähler manifolds with small eigenvalue of the Dirac operator.
The distribution of bidegrees of smooth surfaces in Gr (1, P3).
The equations of the abelian surfaces embedded in ...4 (...).
The Fermi surface for the discretized Maxwell equations
The fundamental group at infinity of affine surfaces.
The Genus of Curves in P4 and P5.
The Hasse problem for rational surfaces.
The Hilbert Function of curves on certain smooth quartic surfaces.
The Hilbert Modular Group for the Field ...(...13).
The Hilbert modular group, resolution of the singularities at the cusps and related problems
The Hilbert Modular Surface for the Ideal (...5) and the Horrocks-Mumford Bundle.
The Hodge Conjecture for a Certain Class of Fourfolds.
The Hodge Conjecture for Fermat Varieties.
The Horrocks-Mumford Bundle and the Ferrand Construction.
The Irregularities of Hirzebruch's Examples of Surfaces of General Type with c21= 3c2 .
The moduli and the global period mapping of surfaces with : a counterexample to the global Torelli problem
The multiple conical surfaces.
The non-existence of a smooth sectionally non-special surface of degree 11 and sectional genus 8 in the projective fourspace.
The Normal Bundle of a Curve on a Quadric.