1. A geometric proof of the bireflectionality of the Weyl group of typeF ₄

   • Peter Austin

   OriginalPaper Pages: 1 - 6

2. Some applications of prolonged covariant differentiation in Weyl spaces

   • Elif Özkara Canfes
   • Abdülkadir Özdeğer

   OriginalPaper Pages: 7 - 16

3. Frames and bases of Lie incidence geometries

   • Bruce N. Cooperstein
   • Ernest E. Shult

   OriginalPaper Pages: 17 - 46

4. On the Mathon plane

   • Marialuisa J. de Resmini

   OriginalPaper Pages: 47 - 64

5. A remark on blocking sets of almost Rédei type

   • András Gács

   OriginalPaper Pages: 65 - 73

6. Laplacian on a totally geodesic foliation

   • Tae Ho Kang
   • Hong Kyung Pak
   • Jin Suk Pak

   OriginalPaper Pages: 74 - 79

7. A note on H-surfaces with boundary

   • Rafael López

   OriginalPaper Pages: 80 - 84

8. Overlarge sets and partial geometries

   • Rudolf Mathon
   • Anne Penfold Street

   OriginalPaper Pages: 85 - 104

9. Immobilization of smooth convex figures: Some extensions

   • David Mayer-Foulkes

   OriginalPaper Pages: 105 - 112

10. Half-ovoidal flat Laguerre planes

    • Burkard Polster
    • Nils Rosehr
    • Günter F. Steinke

    OriginalPaper Pages: 113 - 126

11. Spreads admitting elliptic regulizations

    • Rolf Riesinger

    OriginalPaper Pages: 127 - 145

12. Die Dupinschen Zykliden im pseudoeuklidischen Raum

    • Günter Schmidt

    OriginalPaper Pages: 146 - 159

13. Visibility in semi-convex spaces

    • Sven Schuierer
    • Derick Wood

    OriginalPaper Pages: 160 - 187

14. Bonnesen-style inequalities and pseudo-perimeters for polygons

    • Xin-Min Zhang

    OriginalPaper Pages: 188 - 201