Diophantine Approximation and Transcendence Theory : Seminar Bonn (FRG) May – June 1985 Arithmétique des Surfaces Cubiques Diagonales Small values of heights on families of abelian varieties Large transcendence degree revisited Large transcendence degree revisited A new approach to Bakers theorem on linear forms in logarithms I A new approach to Bakers theorem on linear forms in logarithms II On the thue mahler equation.