BOUGHATTAS Sedki - (Équipe de Logique, université Paris VII), Models of integers built from non-standard reals
CÉGIELSKI Patrick - (Université Paris XII), On the amplitude of intervals of natural numbers whose every element is coprime with no extremety published paper
CHÂTEAU Annie - (Université Clermont 1), Using destinies for effective decision in weak arithmetical theories with a bounded number of variables long version published in proceedings
D'AQUINO Paola - (University Naples 2, Italy), Around quadratic reciprocity law in fragments of arithmetic
DURAND Arnaud - (Université Paris XII), Reductions for counting complexity classes
FINKEL Olivier - (Université Paris VII), Non Borel context free Omega language long version published in proceedings
HACHAÏCHI Yassine - (Université Paris XII), Descriptive complexity approach to problems in LinH long version in published proceedings
LORYS Krzysztof - (University of Wroclaw, Poland), Rectangle Tiling
LYGEROS Nik - (Université Lyon 1, France), N consecutive primes in arithmetic progression
PORTIER Natacha - (ENS Lyon, France), Can the derivative of a polynomial be computed quickly?
VSEMIRNOV Maxim - (Steklov Institute, St Petersburg, Russia), Coding problems in number theory