1. On the problem of finding disjoint cycles and dicycles in a digraph

   • Jørgen Bang-Jensen
   • Matthias Kriesell

   OriginalPaper 28 December 2011 Pages: 639 - 668

2. Face numbers of generalized balanced Cohen-Macaulay complexes

   • Jonathan Browder
   • Isabella Novik

   OriginalPaper 28 December 2011 Pages: 669 - 689

3. On a problem of Cilleruelo and Nathanson

   • Yong-Gao Chen
   • Jin-Hui Fang

   OriginalPaper 28 December 2011 Pages: 691 - 696

4. A characterization of the identity function with equation f(p+q+r)=f(p)+f(q)+f(r)

   • Jin-Hui Fang

   OriginalPaper 28 December 2011 Pages: 697 - 701

5. A pair of forbidden subgraphs and perfect matchings in graphs of high connectivity

   • Jun Fujisawa
   • Shinya Fujita
   • Ingo Schiermeyer

   OriginalPaper 28 December 2011 Pages: 703 - 723

6. Inside S-inner product sets and Euclidean designs

   • Hiroshi Nozaki

   OriginalPaper 28 December 2011 Pages: 725 - 737

7. Proof of a conjecture of V. Nikiforov

   • Tamás Terpai

   OriginalPaper 28 December 2011 Pages: 739 - 754