1) Argelia Bernal (CINVESTAV-IPN):   Collapse of Bose Condensate Dark Matter

2) Francisco S. Guzman, Nestor Ortiz Madrigal, Alejandro Cruz Osorio (Univ. Michoacana):  Basic tests of general relativistic hydrodynamical codes

3) Ricardo Rosas Rodriguez (Univ. Autónoma de Puebla):  A new hamiltonian structure for the dynamics of general relativity

4) Jose David Sanabria Gomez (Univ. Ind. de Santander):  Model for the exterior field of rotating neutron stars

5) Cesar A. Valenzuela (Univ. Ind. de Santander):  Motion of Charged Particles in Stationary and Static Electrovacuum Spacetimes