1. Tessellations generated by hyperplanes

   • Rolf Schneider

   OriginalPaper 01 September 1987 Pages: 223 - 232

2. Generating closed 2-cell embeddings in the torus and the projective plane

   • D. W. Barnette

   OriginalPaper 01 September 1987 Pages: 233 - 247

3. Direction trees

   • Robert E. Jamison

   OriginalPaper 01 September 1987 Pages: 249 - 254

4. On the number of critical free contacts of a convex polygonal object moving in two-dimensional polygonal space

   • Daniel Leven
   • Micha Sharir

   OriginalPaper 01 September 1987 Pages: 255 - 270

5. σ-Morphic sets of prototiles

   • Peter Schmitt

   OriginalPaper 01 September 1987 Pages: 271 - 295

6. Balanced subdivision and enumeration in balanced spheres

   • Louis J. Billera
   • Katherine E. Magurn

   OriginalPaper 01 September 1987 Pages: 297 - 317