Table of Contents

The addition theorem for abstract theta functions.- Existence of certain universal extensions.- On a property of the kummer variety and a relation between two moduli spaces of curves.- The bi-weighted euler sequence on scrolls.- On closed leaves of holomorphic foliations by curves.- Fay's triscecant formula.- Fitting ideals and multiple points of analytic mappings.- Certain weierstrass points occure at most once on a curve.- The gauss map on subvarieties of jacobians of curves with g d 2 's.