Guest Editors' Introduction to a Special Issue in Memory of Alfred Gray (1939–1998) Karsten GroveJonathan Rosenberg Editorial Introduction Pages: 205 - 206
On Tangent Sphere Bundles with Small or Large Constant Radius Oldřich KowalskiMasami Sekizawa OriginalPaper Pages: 207 - 219
Spin Spaces, Lipschitz Groups, and Spinor Bundles Thomas FriedrichAndrzej Trautman OriginalPaper Pages: 221 - 240
On Pappus-Type Theorems on the Volume in Space Forms Alfred GrayVicente Miquel OriginalPaper Pages: 241 - 254
Almost Complex Poisson Manifolds Luis A. CorderoMarisa FernándezLuis Ugarte OriginalPaper Pages: 265 - 290
Eigenfunction Expansions on Geodesic Balls and Rank One Symmetric Spaces of Compact Type Mark A. PinskyWilliam O. Bray OriginalPaper Pages: 347 - 369
Total Extrinsic Curvature of Certain Distributions on Closed Spaces of Constant Curvature F. B. BritoA. M. Naveira OriginalPaper Pages: 371 - 383
Examples of Minimal Unit Vector Fields J. C. González-DávilaL. Vanhecke OriginalPaper Pages: 385 - 404
Calibrated Embeddings in the Special Lagrangian and Coassociative Cases Robert L. Bryant OriginalPaper Pages: 405 - 435
Global G-Manifold Reductions and Resolutions Karsten GroveCatherine Searle OriginalPaper Pages: 437 - 446