Matemática Contemporânea is a publication of the

**Sociedade Brasileira de Matemática**(Brazilian Mathematical Society). Its primary purpose is to publish proceedings of mathematical meetings. Each volume has an associate editor and typically includes refereed research and survey articles.## Editorial Board

- Abramo Hefez (Algebra)
- Enrique Pujals (Dynamical Systems)
- Frederico Xavier (Geometry)
- Gastão de Almeida Braga (Statistical Mechanics/Probability)
- José Alberto Cuminato (Applied Mathematics)
- Paulo D. Cordaro (Analysis)
**(Chief Editor)** - Yoshiharu Kohayakawa (Combinatorics)