1. Obituary. William T. Tutte (May 14th, 1917 - May 2nd, 2002)

   • Ron Mullin

   Obituary Pages: 201 - 203

2. Maximal abelian group actions on the ordered real line and their digital representations

   • Reinhard Winkler

   Research paper Pages: 204 - 231

3. A metric on the set of connected simple graphs of given order

   • Kiran R. Bhutani
   • Bilal Khan

   Research paper Pages: 232 - 240

4. On generalized d’Alembert and Wilson functional equations

   • Elhoucien Elqorachi
   • Mohamed Akkouchi

   Research paper Pages: 241 - 256

5. A stronger form of the theorem on the existence of a rigid binary relation on any set

   • Apoloniusz Tyszka

   Research paper Pages: 257 - 260

6. On a functional equation related to power means

   • Justyna Sikorska

   Research paper Pages: 261 - 276

7. On centralizers of semiprime rings

   • Joso Vukman
   • Irena Kosi-Ulbl

   Research paper Pages: 277 - 283

8. Möbius sphere geometry in inner product spaces

   • Walter Benz

   Research paper Pages: 284 - 320