Contents:

• Progress in Affine Differential Geometry — Problem List and Continued Bibliography (T Binder & U Simon)


• On the Classification of Timelike Bonnet Surfaces (W H Chen & H Z Li)


• Affine Hyperspheres with Constant Affine Sectional Curvature (F Dillen et al.)


• Geometric Properties of the Curvature Operator (P Gilkey)


• On a Question of S S Chern Concerning Minimal Hypersurfaces of Spheres (I Hiric( & L Verstraelen)


• Parallel Pure Spinors on Pseudo-Riemannian Manifolds (I Kath)


• Twistorial Construction of Spacelike Surfaces in Lorentzian 4-Manifolds (F Leitner)


• Nirenberg’s Problem in 90’s (L Ma)


• A New Proof of the Homogeneity of Isoparametric Hypersurfaces with (g, m) = (6, 1) (R Miyaoka)


• Harmonic Maps and Negatively Curved Homogeneous Spaces (S Nishikawa)


• Biharmonic Morphisms Between Riemannian Manifolds (Y L Ou)


• Intrinsic Properties of Real Hypersurfaces in Complex Space Forms (P J Ryan)


• On the Nonexistence of Stable Minimal Submanifolds in Positively Pinched Riemannian Manifolds (Y B Shen & H Q Xu)


• Geodesic Mappings of the Ellipsoid (K Voss)


• η-Invariants and the Poincaré-Hopf Index Formula (W Zhang)


• and other papers