1. Groves of Phylogenetic Trees

   • Cécile Ané
   • Oliver Eulenstein
   • Michael J. Sanderson

   OriginalPaper 26 June 2009 Pages: 139 - 167

2. On the Tiling System Recognizability of Various Classes of Convex Polyominoes

   • F. De Carli
   • A. Frosini
   • L. Vuillon

   OriginalPaper 30 June 2009 Pages: 169 - 191

3. Even Set Systems

   • Andreas Dress

   OriginalPaper Open access 30 June 2009 Pages: 193 - 198

4. Split Decomposition over an Abelian Group Part 1: Generalities

   • Andreas Dress

   OriginalPaper Open access 30 June 2009 Pages: 199 - 232

5. Enumeration of Unrooted Odd-Valent Regular Planar Maps

   • Zhicheng Gao
   • Valery A. Liskovets
   • Nicholas Wormald

   OriginalPaper 20 June 2009 Pages: 233 - 259

6. Packing Three Copies of a Tree into a Complete Bipartite Graph

   • Hong Wang

   OriginalPaper 20 June 2009 Pages: 261 - 269