1. A Helly-Type Theorem for Unions of Convex Sets

   • J. Matoušek

   Pages: 1 - 12

2. Isogonal Prismatoids

   • Branko Grünbaum

   Pages: 13 - 52

3. The d-Step Conjecture and Gaussian Elimination

   • J. C. Lagarias
   • N. Prabhu
   • J. A. Reeds

   Pages: 53 - 82

4. Weak ɛ-Nets for Points on a Hypersphere

   • P. G. Bradford
   • V. Capoyleas

   Pages: 83 - 91

5. Faster Approximation Algorithms for the Rectilinear Steiner Tree Problem

   • U. Fößmeier
   • M. Kaufmann
   • A. Zelikovsky

   Pages: 93 - 109

6. Packing up to 50 Equal Circles in a Square

   • K. J. Nurmela
   • P. R. J. Östergård

   Pages: 111 - 120