1. Some Y-Groups

   • M.-M. Virotte Ducharme

   OriginalPaper Pages: 01 - 30

2. A Parametrization of Isometric Immersions between Hyperbolic Spaces

   • K. Abe
   • H. Mori
   • H. Takahashi

   OriginalPaper Pages: 31 - 46

3. Classification of Isometric Immersions of the Hyperbolic Space H ² into H ³

   • Hu Ze-jun
   • Zhao Guo-song

   OriginalPaper Pages: 47 - 57

4. Remarks on a Translative Formula for Sets of Positive Reach

   • Jan Rataj

   OriginalPaper Pages: 59 - 62

5. On a Class of Solvable Kähler Algebras of Nonpositive Curvature

   • Maria J Druetta

   OriginalPaper Pages: 63 - 87

6. Tissus linéaires et théorèmes d'algébrisation de type Abdel-inverse et Reiss-inverse

   • ALAIN HÉNAUT

   OriginalPaper Pages: 89 - 101

7. Riemannian Submersions and Riemannian Manifolds with Einstein--Weyl Structures

   • Fumio Narita

   OriginalPaper Pages: 103 - 116

8. On Large Lattice Packings of Spheres

   • J. M. Wills

   OriginalPaper Pages: 117 - 126