Pippenger, Nicholas

• The Electronic Journal of Combinatorics Volume 18, Issue 1 (2011) - Papers
  A Census of Vertices by Generations in Regular Tessellations of the Plane
  Abstract  PDF  ADDENDUM
• The Electronic Journal of Combinatorics Volume 20, Issue 2 (2013) - Papers
  Barred Preferential Arrangements
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 20, Issue 4 (2013) - Papers
  Random Cyclations
  Abstract  PDF