Professor Antonio Galves (USP, Brazil) will visit GSSI - L’Aquila from December 2 till December 20. He will give a course on ``Markov chains with variable memory” for the phd students. The first class will be December 3 at 15 room D. The schedule of the other classes is: Every Monday 9-11 and 15-16 Every Tuesday 9-11. Davide Gabrielli