1. Die Gruppe ∏(g) in den endlichen Hall-Ebenen

   • Armin Herzer

   OriginalPaper Pages: 1 - 11

2. On elations of finite projective spaces

   • Fred Piper

   OriginalPaper Pages: 13 - 27

3. Polarities of openly finitely generated planes

   • S. P. O'Gorman

   OriginalPaper Pages: 29 - 37

4. Angeordnete Geometrien

   • Clemens Polley

   OriginalPaper Pages: 39 - 48

5. Cut numbers of convex polytopes

   • David Barnette

   OriginalPaper Pages: 49 - 50

6. Endliche gruppen mit nicht-elliptischer Spiegelungsgeometrie

   • Karsten Johnsen

   OriginalPaper Pages: 51 - 55

7. Doubly transitive sets of permutations characterising projective planes

   • R. P. Burn

   OriginalPaper Pages: 57 - 63

8. Translation planes with several homology or elation groups of order 3

   • N. L. Johnson
   • T. G. Ostrom

   OriginalPaper Pages: 65 - 81

9. Representations of polytopes and polyhedral sets

   • P. Mcmullen

   OriginalPaper Pages: 83 - 99

10. Über Bahnen lokal kompakter Gruppen auf Flächen

    • Heinz-Richard Halder

    OriginalPaper Pages: 101 - 109

11. Über eine Verallgemeinerung der Valentineschen P ₃-Eigenschaft

    • Jürgen Kaapke

    OriginalPaper Pages: 111 - 114

12. Hamiltonian circuits in simplicial complexes

    • Günter Ewald

    OriginalPaper Pages: 115 - 125

13. Local and global equivalence for flat affine manifolds with parallel geometric structures

    • Joseph A. Wolf

    OriginalPaper Pages: 127 - 132