Bertrand Toën Author

Tony Pantev, University of Pennsylvania, Philadelphia, PA, USA.

Carlos Simpson, Universite Nice Sophia Antipolis, France.

Bertrand Toen, Universite de Montpellier 2, France.

Michel Vaquie, Universite Paul Sabatier, Toulouse, France.

Gabriele Vezzosi, Universita degli Studi di Firenze, Italy.