1. Intrinsic equations for a relaxed elastic line on an oriented surface

   • H. K. Nickerson
   • Gerald S. Manning

   OriginalPaper Pages: 127 - 136

2. Über Stellen und Präordnungen von Ternärkörpern

   • Franz Kalhoff

   OriginalPaper Pages: 137 - 151

3. Simplicial cells in arrangements and mutations of oriented matroids

   • Jean-Pierre Roudneff
   • Bernd Sturmfels

   OriginalPaper Pages: 153 - 170

4. Structure tensor of a field of geometric objects

   • J. Konderak

   OriginalPaper Pages: 171 - 177

5. On the index of regularity of non-special space curves

   • Edoardo Ballico

   OriginalPaper Pages: 179 - 190

6. On the automorphisms of some line congruences in ℙ³

   • Marina Bertolini
   • Cristina Turrini

   OriginalPaper Pages: 191 - 197

7. Miquelian inversive planes which admit an orthogonality both in the sense of Dembowski and Hughes and of Benz

   • Yves Mencerrey

   OriginalPaper Pages: 199 - 202

8. Dual blocking sets in projective and affine planes

   • Peter J. Cameron
   • Francesco Mazzocca
   • Roy Meshulam

   OriginalPaper Pages: 203 - 207

9. An infinitesimal version of the Besicovitch-Danzer characterization of the circle

   • Tudor Zamfirescu

   OriginalPaper Pages: 209 - 212

10. Some new examples of flocks of Q⁺(3,q)

    • Laura Bader

    OriginalPaper Pages: 213 - 218

11. Four icosahedra can meet at a point

    • Henri Rossat
    • N. J. A. Sloane

    OriginalPaper Pages: 219 - 222

12. A surface which contains planar geodesics

    • Nobuko Takeuchi

    OriginalPaper Pages: 223 - 225

13. The number of certain dendrites of order three

    • David I. Adu

    OriginalPaper Pages: 227 - 240

14. Bruck-Ryser abstract theorem and symmetric designs

    • Marco Buratti

    OriginalPaper Pages: 241 - 250