1. Zum mathematischen Werk von Hanfried Lenz — Eine Ansprache

   • Walter Benz

   OriginalPaper Pages: 4 - 13

2. Zwei bemerkenswerte bewegliche Strukturen

   • Hellmuth Stachel

   OriginalPaper Pages: 14 - 21

3. Configurational conditions and digraphs

   • Johannes André

   OriginalPaper Pages: 22 - 29

4. Integral surfaces of Sasakian space forms

   • Christos Baikoussis
   • David E. Blair

   OriginalPaper Pages: 30 - 40

5. Ovals in infinite Figueroa planes

   • Julia M. Nowlin Brown

   OriginalPaper Pages: 41 - 52

6. A note on the Boerner-lantz semifield planes

   • Minerva Cordero

   OriginalPaper Pages: 53 - 56

7. Locally regular coloured graphs

   • Antonio F. Costa

   OriginalPaper Pages: 57 - 74

8. TruncatedD _n coxeter complexes as extended partial geometries with maximum diameter

   • Alberto Del Fra
   • Dina Ghinelli

   OriginalPaper Pages: 75 - 94

9. Quasigroups and translation planes

   • Ján Duplák

   OriginalPaper Pages: 95 - 107

10. Some new examples of derived semifield planes with affine elations

    • Eliana Francot

    OriginalPaper Pages: 108 - 115

11. Classification of Minkowski planes by transitive groups of homotheties

    • Monica Klein

    OriginalPaper Pages: 116 - 128

12. Hyperplane sections of polar spaces

    • Tim Penttila

    OriginalPaper Pages: 129 - 131

13. The classification of bipatterns in the plane

    • Richard L. Roth

    OriginalPaper Pages: 132 - 147

14. Die Strommer-Zykliden des Flaggenraumes

    • Hans Sachs

    OriginalPaper Pages: 148 - 165

15. Enclosed (k,n)-arcs

    • B. F. Sherman

    OriginalPaper Pages: 166 - 177

16. Minimal blocking sets in finite planes

    • B. F. Sherman

    OriginalPaper Pages: 178 - 187

17. Isomorphismen von rechtseiträumen

    • Rotraut Stanik

    OriginalPaper Pages: 188 - 197

18. Lattice isomorphisms of modules over regular rings

    • Kenneth G. Wolfson

    OriginalPaper Pages: 198 - 202