A Toponogov splitting theorem for Lorentzian manifolds -- A survey on CR — Submanifolds of Kaehlerian manifolds -- Isoperimetric inequalities, heat equation and geometric applications -- Symmetric immersions in pseudo-Riemannian space forms -- Immersions of surfaces into space forms -- Examples of 1-codimensional non totally geodesic isometric immersions of pseudo-riemannian space forms with the same positive constant curvature and the same space-like rank -- Riemannian manifolds with harmonic curvature -- Structure of manifolds of nonpositive curvature -- Equivalence of one dimensional Lagrangian field theories in the plane I -- Applications of the Gauss mapping for hypersurfaces of the sphere -- Submanifolds and the second fundamental tensor -- Embedded minimal surfaces, computer graphics and elliptic functions -- The Bernstein problem for foliations -- Examples concerning the spectrum of a closed Riemannian manifold -- Tight smoothing of some polyhedral surfaces -- On the number of tritangencies of a surface in IR3 -- Small eigenvalues of the Laplacian and examples -- Horizontal lifts of isometric immersions into the bundle space of a pseudo-Riemannian submersion -- Positively curved minimal submanifolds -- Affinsphären mit ebenen Schattengrenzen -- Conformal orbits of electromagnetic Riemannian curvature tensors electromagnetic implies gravitational radiation.