1. The Distance-Regular Graphs of Valency Four

   • A.E. Brouwer
   • J.H. Koolen

   OriginalPaper Pages: 5 - 24

2. Cyclotomy and Strongly Regular Graphs

   • A.E. Brouwer
   • R.M. Wilson
   • Qing Xiang

   OriginalPaper Pages: 25 - 28

3. On a New High Dimensional Weisfeiler-Lehman Algorithm

   • Sergei Evdokimov
   • Marek Karpinski
   • Ilia Ponomarenko

   OriginalPaper Pages: 29 - 45

4. Tight Graphs and Their Primitive Idempotents

   • Arlene A. Pascasio

   OriginalPaper Pages: 47 - 59

5. Fractional Multiples of Graphs and the Density of Vertex-Transitive Graphs

   • Claude Tardif

   OriginalPaper Pages: 61 - 68

6. Three-Class Association Schemes

   • Edwin R. Van Dam

   OriginalPaper Pages: 69 - 107