1. Stability of homogeneous universes

   • Sotirios Bonanos

   OriginalPaper Pages: 259 - 270

2. Einstein algebras

   • Robert Geroch

   OriginalPaper Pages: 271 - 275

3. Note on trace inequalities

   • M. Breitenecker
   • H. -R. Grümm

   OriginalPaper Pages: 276 - 279

4. Inequalities for traces on von Neumann algebras

   • M. B. Ruskai

   OriginalPaper Pages: 280 - 289

5. On the geometrical interpretation of the harmonic analysis of the scattering amplitude

   • G. A. Viano

   OriginalPaper Pages: 290 - 300

6. On exact Kerr-Schild type vacuum solutions to Salam's two-tensor theory of gravity

   • R. Mansouri
   • H. K. Urbantke

   OriginalPaper Pages: 301 - 306

7. Exact gravitational field of the infinitely long rotating hollow cylinder

   • Eckart Frehland

   OriginalPaper Pages: 307 - 320

8. Hydrogen atom in the Friedman universe

   • Ekkehard Nowotny

   OriginalPaper Pages: 321 - 332