1. Morse 2-jet space and h-principle

   • Alain Chenciner
   • François Laudenbach

   OriginalPaper 10 November 2009 Pages: 455 - 463

2. A Hilbert-type theorem for spacelike surfaces with constant Gaussian curvature in ℍ² × ℝ₁

   • Alma L. Albujer
   • Luis J. Alías

   OriginalPaper 10 November 2009 Pages: 465 - 478

3. Principal congruence subgroups of the Hecke groups and related results

   • Sebahattin Ikikardes
   • Recep Sahin
   • I. Naci Cangul

   OriginalPaper 10 November 2009 Pages: 479 - 494

4. The influence of M-supplemented subgroups on the structure of finite groups

   • Long Miao

   OriginalPaper 10 November 2009 Pages: 495 - 509

5. Families of periodic orbits in resonant reversible systems

   • Maurício Firmino Silva Lima
   • Marco Antonio Teixeira

   OriginalPaper 10 November 2009 Pages: 511 - 537

6. On ramification in the compositum of function fields

   • Nurdagül Anbar
   • Henning Stichtenoth
   • Seher Tutdere

   OriginalPaper 10 November 2009 Pages: 539 - 552

7. On C ^r -closing for flows on orientable and non-orientable 2-manifolds

   • Carlos Gutierrez
   • Benito Pires

   OriginalPaper 10 November 2009 Pages: 553 - 576

8. On calibrated and separating sub-actions

   • Eduardo Garibaldi
   • Artur O. Lopes
   • Philippe Thieullen

   OriginalPaper 10 November 2009 Pages: 577 - 602