1. Paul Günther

   Legacy Pages: i - i

2. Normally hyperbolic operators, the Huygens property and conformal geometry

   • Helga Baum
   • Ines Kath

   ReviewPaper Pages: 315 - 371

3. A geometric inequality on mixed volumes

   • Young Do Chai

   OriginalPaper Pages: 373 - 380

4. Submanifolds of constant sectional curvature in Pseudo-Riemannian manifolds

   • João Lucas Barbosa
   • Walterson Ferreira
   • Keti Tenenblat

   OriginalPaper Pages: 381 - 401

5. Invariance of the cone algebra without asymptotics

   • Elmar Schrohe

   OriginalPaper Pages: 403 - 425

6. Invariants of contact structures and transversally oriented foliations

   • Augustin Banyaga

   OriginalPaper Pages: 427 - 441