1. On zero-sum sequences of prescribed length

   • Weidong Gao
   • Ravindranathan Thangadurai

   Research paper Pages: 201 - 212

2. Edge-colored cube decompositions

   • Peter Adams
   • Darryn E. Bryant
   • Heather Jordon

   Research paper Pages: 213 - 224

3. Sine and cosine equation on discrete polynomial hypergroups

   • Ágota Orosz

   Research paper Pages: 225 - 233

4. On parallelogram areas in normed linear spaces

   • Claudi Alsina
   • Maria Santos Tomás

   Research paper Pages: 234 - 242

5. Positive definitions of segment congruence in terms of segment inequality

   • Victor Pambuccian

   Research paper Pages: 243 - 253

6. Geometrical mappings of Grassmannians of linear spaces satisfying the exchange axiom

   • Mark Pankov

   Research paper Pages: 254 - 268

7. Special solutions of a general iterative functional equation

   • Veerapazham Murugan
   • Papagudi Venkatachalam Subrahmanyam

   Research paper Pages: 269 - 287

8. A characterization of Lorentz boosts

   • Walter Benz
   • Jens Schwaiger

   Research paper Pages: 288 - 298

9. Constant terms, jagged partitions, and partitions with difference two at distance two

   • Jeremy Lovejoy

   Research paper Pages: 299 - 312

10. An atlas of abstract regular polytopes for small groups

    • Dimitri Leemans
    • Laurence Vauthier

    Research paper Pages: 313 - 320