1. Tough Ramsey Graphs Without Short Cycles

   • Noga Alon

   OriginalPaper Pages: 189 - 195

2. A Note on Varieties of Groupoids Arising from m-Cycle Systems

   • Darryn E. Bryant

   OriginalPaper Pages: 197 - 200

3. Splitting the Square of a Schur Function into its Symmetric and Antisymmetric Parts

   • Christophe Carré
   • Bernard Leclerc

   OriginalPaper Pages: 201 - 231

4. Polygon Posets and the Weak Order of Coxeter Groups

   • Kimmo Eriksson

   OriginalPaper Pages: 233 - 252

5. On Generators of the Module of Logarithmic 1-Forms with Poles Along an Arrangement

   • Sergey Yuzvinsky

   OriginalPaper Pages: 253 - 269