Classification of Algebraic Varieties and Compact Complex Manifolds On the geometry in codimension 2 of Grassmann manifolds Invarianten binärer formen Deformation kompakter komplexer Räume Kurven auf den Hilbertschen Modulflächen und Klassenzahlrelationen Picard schemes of formal schemes; application to rings with discrete divisor class group Modifications of complex varieties and the Chow Lemma Some results on cubic threefolds Studies on degeneration Hyperelliptic curves over number fields Modulräume algebraischer Mannigfaltigkeiten Abbildungen in arithmetische Quotienten hermitesch symmetrischer Räume Singular abelian surfaces and binary quadratic forms to classification theory of algebraic varieties and compact complex spaces.