1. A Classification of Regular Embeddings of Graphs of Order a Product of Two Primes

   • Shao-Fei Du
   • Jin Ho Kwak
   • Roman Nedela

   OriginalPaper Pages: 123 - 141

2. An Inequality Involving the Local Eigenvalues of a Distance-Regular Graph

   • Paul Terwilliger

   OriginalPaper Pages: 143 - 172

3. Acyclic Heaps of Pieces, I

   • R.M. Green

   OriginalPaper Pages: 173 - 196

4. The Automorphism Group of the Fibonacci Poset: A “Not Too Difficult” Problem of Stanley from 1988

   • Jonathan David Farley
   • Sungsoon Kim

   OriginalPaper Pages: 197 - 204

5. There are Finitely Many Triangle-Free Distance-Regular Graphs with Degree 8, 9 or 10

   • J.H. Koolen
   • V. Moulton

   OriginalPaper Pages: 205 - 217