E. B. Christoffels Einfluss auf die Geometrie -- Distance geometry in Riemannian manifolds-with-boundary -- Laplacian with a potential -- Laplacian and riemannian submersions with totally geodesic fibres -- A plateau problem with many solutions for boundary curves in a given knot class -- Ricci curvature and einstein metrics -- Smooth approximation of polyhedral surfaces with respect to curvature measures -- Invariant eigenfunctions of the laplacian and their asymptotic distribution -- The bieberbach case in gromov’s almost flat manifold theorem -- Tight spherical embeddings -- Characterizations of space forms by hypersurfaces -- On graded bundles and their geometry -- Compact riemannian manifolds with harmonic curvature and non-parallel ricci tensor -- Stability of minimal submanifolds -- A generalization of Weyl’s tube formula -- The X-ray transform on a symmetric space -- Visibility, horocycles, and the Bruhat decomposition -- On holomorphic connections -- Fiber parallelism and connections -- Riemannian manifolds the geodesic balls of which are near to the Euclidean balls by volume -- Tight foliations -- Minima and critical points of the energy in dimension two -- S1-actions on almost complex manifolds -- On conformal immersions of space forms -- Some remarks on elliptic equations and infinitesimal deformations of submanifolds -- The spectrum of the laplacian and the curvature of sasakian manifolds -- Geodesic chains and the spherical mean operator -- The spectrum of the laplace operator for a special complex manifold -- On the holomorphicity of harmonic maps from a surface -- Codazzi tensors and reducible submanifolds -- Codazzi tensor fields and curvature operators -- Some remarks on the local structure of codazzi tensors -- A remark on codazzi tensors in constant curvature spaces -- A contribution to the "Codazzi" discussion -- Codazzi pairs on surfaces -- An application of a. d. Aleksandrov’s inequality to the problem of characterization of spheres -- Codazzi tensors -- Verallgemeinerung eines Satzes von Leung und Nomizu -- Codazzi — Tensors in surface theory.