1. Closed principal lines and bifurcation

   • C. Gutierrez
   • J. Sotomayor

   OriginalPaper Pages: 1 - 19

2. Convex immersions into positively-curved manifolds

   • Ivan A. Tribuzy

   OriginalPaper Pages: 21 - 39

3. Totally geodesic foliations with integrable normal bundles

   • Fabiano G. B. Brito
   • Pawel G. Walczak

   OriginalPaper Pages: 41 - 46

4. Splitting vector bundles up to cobordism

   • Jeney A. Daccach
   • Pedro L. Q. Pergher

   OriginalPaper Pages: 47 - 55

5. Interval exchange transformation and foliation

   • Lúcia Helena Vilas Bôas Mendes

   OriginalPaper Pages: 57 - 74

6. Differential rings and ore extensions: Brown-McCoy rings

   • Miguel Ferrero

   OriginalPaper Pages: 75 - 90