1. Halforders and automorphisms of chain structures

   • Benedetta Alinovi
   • Helmut Karzel
   • Cristina Tonesi

   Pages: 1 - 18

2. On the Petrials of thin rank 3 geometries

   • Denis Bonheure
   • Francis Buekenhout
   • Dimitri Leemans

   Pages: 19 - 25

3. Staircase two-guard kernels of orthogonal polygons

   • Marilyn Breen

   Pages: 26 - 33

4. On the cross ratios of points and lines in Moufang planes

   • Süleyman Ciftci
   • Basri Çelik

   Pages: 34 - 41

5. CR-manifolds, harmonic maps and stability

   • Catalin Gherghe
   • Steriu Ianus
   • Anna Maria Pastore

   Pages: 42 - 53

6. Bundles over projective spaces and algebraic curvature tensors

   • Peter B. Gilkey

   Pages: 54 - 67

7. Zwei Kennzeichnungen der Hillschen Tetraeder

   • Eike Hertel

   Pages: 68 - 77

8. Minkowski planes admitting automorphism groups of small type

   • Jan Jakóbowski
   • Hans-Joachim Kroll
   • Andrzej Matraś

   Pages: 78 - 84

9. Die schwachdiskontinuierlichen Raumgruppen

   • Benno Klotzek
   • Horst Wendland

   Pages: 85 - 98

10. Invariant symmetric bilinear forms for reflection groups

    • Bettina Kürner
    • Karl-Hermann Neeb

    Pages: 99 - 127

11. On Segre's product of partial line spaces and spaces of pencils

    • Adam Naumowicz
    • Krzysztof Prażmowski

    Pages: 128 - 143

12. Affine partial line spaces

    • Krzysztof Radziszewski

    Pages: 144 - 156

13. Circle spaces in a linear space

    • Sandro Rajola
    • Maria Scafati Tallini

    Pages: 157 - 161

14. Diskret bewertete Ternärkörper und Hahn-Ternärk/ouml;rper auf $ \Bbb Z $

    • Erwin Schörner

    Pages: 162 - 181

15. Cliffords Kreisesatz für miquelsche Benz-Ebenen

    • Eberhard M. Schröder

    Pages: 182 - 191

16. Proportional nets in Weyl spaces

    • Bistra Tsareva
    • Georgi Zlatanov

    Pages: 192 - 196

17. Characterization of three- and four-dimensional Riemannian manifolds by pointwise conditions on trace and determinant of the Jacobi operator

    • Veselin T. Videv

    Pages: 197 - 205