1. The Valuations of the Near Octagon \({\mathbb{H}}_4\)

   • B. De Bruyn
   • P. Vandecasteele

   OriginalPaper Pages: 601 - 623

2. A Sharp Upper Bound for the Number of Spanning Trees of a Graph

   • Kinkar Ch. Das

   OriginalPaper Pages: 625 - 632

3. Biclique-Helly Graphs

   • Marina Groshaus
   • Jayme L. Szwarcfiter

   OriginalPaper Pages: 633 - 645

4. Tight Lower Bounds on the Size of a Maximum Matching in a Regular Graph

   • Michael A. Henning
   • Anders Yeo

   OriginalPaper Pages: 647 - 657

5. The Crossing Number of Cartesian Products of Complete Bipartite Graphs K_2,m with Paths P _n

   • Tang Ling
   • Lv Shengxiang
   • Huang Yuanqiu

   OriginalPaper Pages: 659 - 666

6. Forbidding Complete Hypergraphs as Traces

   • Dhruv Mubayi
   • Yi Zhao

   OriginalPaper Pages: 667 - 679

7. Characterization of Product Anti-Magic Graphs of Large Order

   • Oleg Pikhurko

   OriginalPaper Pages: 681 - 689

8. Equipartite Gregarious 5-Cycle Systems and Other Results

   • Benjamin R. Smith

   OriginalPaper Pages: 691 - 711

9. On Graphs Whose Spectral Radius is Bounded by \(\frac{3}{2}\sqrt{2}\)

   • Renee Woo
   • Arnold Neumaier

   OriginalPaper Pages: 713 - 726