This sixth volume in the series covers pure and differential geometry, especially submanifolds and affine differential geometry, and applications of geometry to human vision, robotics, gastroenterology and geology.

A Reimannian invariant for submanifolds in space forms and its applications, B.Y. Shen; some variational problems in submanifold theory, F. Dillen; isoparametric systems on symmetric spaces, S. Mullen; focal sets in affine geometry, R. Niebergall and P.J. Ryan; buckling eigenvalues and variational problems for surfaces in the three sphere, B. Palmer; on manifolds, R. Rosca; human representation for closed contours, K. Waeytens et al; affine shape equivalence, J. Wagemans et al; Cartan's method of moving frames applied to the study of surfaces in affine 4-space, J. Weiner; a survey of the theory of harmonic (pseudo)-Reimannian spaces, T. Willmore; a unified equiaffine theory of surfaces i R4 - the definite surfaces, C. Wang. (Part contents).