1. Varietà di Segre e ovoidi dello spazio polare Q⁺(7, q)

   • Guglielmo Lunardon

   OriginalPaper 01 April 1986 Pages: 121 - 131

2. Pairs of tiles which admit finitely or countably infinitely many tilings

   • Peter Schmitt

   OriginalPaper 01 April 1986 Pages: 133 - 142

3. On catching a moving particle by narrow strips

   • L. N. Vaserstein

   OriginalPaper 01 April 1986 Pages: 143 - 145

4. Incidence-polytopes of type {6, 3, 3}

   • Asia Ivić Weiss

   OriginalPaper 01 April 1986 Pages: 147 - 155

5. The geometry of the Hall-Janko group as a quaternionic reflection group

   • Robert A. Wilson

   OriginalPaper 01 April 1986 Pages: 157 - 173

6. Arbitrarily large neighborly families of symmetric convex polytopes

   • Joseph Zaks

   OriginalPaper 01 April 1986 Pages: 175 - 179

7. Local recognition of tits geometries of classical type

   • A. E. Brouwer
   • A. M. Cohen

   OriginalPaper 01 April 1986 Pages: 181 - 199

8. The word problem for geometrically finite groups

   • W. J. Floyd
   • A. H. M. Hoare
   • R. C. Lyndon

   OriginalPaper 01 April 1986 Pages: 201 - 207

9. Generalized Dirichlet tessellations

   • Peter F. Ash
   • Ethan D. Bolker

   OriginalPaper 01 April 1986 Pages: 209 - 243

10. On some real hypersurfaces of a complex hyperbolic space

    • Sebastián Montiel
    • Alfonso Romero

    OriginalPaper 01 April 1986 Pages: 245 - 261

11. Call for papers

    K-Theory 01 April 1986 Pages: 263 - 263