On the geometry in codimension 2 of Grassmann manifolds.- Invarianten bin?rer formen.- Deformation kompakter komplexer R?ume.- Kurven auf den Hilbertschen Modulfl?chen 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.- Modulr?ume algebraischer Mannigfaltigkeiten.- Abbildungen in arithmetische Quotienten hermitesch symmetrischer R?ume.- Singular abelian surfaces and binary quadratic forms.- to classification theory of algebraic varieties and compact complex spaces.Springer Book Archives