1. Editorial

   • Godfried T. Toussaint

   EditorialNotes Pages: 425 - 431

2. Algorithms for computing the center of area of a convex polygon

   • Matthew Díaz
   • Joseph O'Rourke

   OriginalPaper Pages: 432 - 442

3. An algorithm for recognizing palm polygons

   • Subir Kumar Ghosh
   • Anil Maheshwari
   • C. E. Veni Madhavan

   OriginalPaper Pages: 443 - 451

4. An efficient algorithm for identifying objects using robot probes

   • Kelly A. Lyons
   • David Rappaport

   OriginalPaper Pages: 452 - 458

5. The Superman problem

   • Naji Mouawad
   • Thomas Shermer

   OriginalPaper Pages: 459 - 473

6. External watchman routes

   • Simeon Ntafos
   • Laxmi Gewali

   OriginalPaper Pages: 474 - 483

7. Clamping a polygon

   • Diane L. Souvaine
   • Christopher J. Van Wyk

   OriginalPaper Pages: 484 - 494