Top quark search, J. Benlloch; neutrino physics, J. Bernabeu; quantum groups and their applications, M. Chaichian; weak interactions at low energies, J.M. Gerard; heavy quark theory, B. Grinstein; recent experimental results from the Fermilab tevatron, C. Hojvat; non-perturbative methods in field theory, R. Jackiw; the many-anyon problem, C. Montonen; top quark physics, C.-P. Yuan.