Workshop on "Asymptotic
Methods in Groups and Algebras",
Sao Paulo, Brazil, April 3rd - 6th, 2006.
- XIX Escola de Álgebra,
Diamantina, Minas Gerais, Brazil, July 30st - August 5th, 2006.
- Satellite Workshop of XIX Escola de Álgebra on "Algebraic methods in
Mathematical Physics", Sao Paulo, Brazil, August 7th - 10th, 2006.