Birth and death in a continuous opinion dynamics model - The consensus case T. Carletti, D. Fanelli, A. Guarino, F. Bagnoli and A. Guazzini Eur. Phys. J. B, 64 2 (2008) 285-292 Published online: 23 July 2008 DOI: 10.1140/epjb/e2008-00297-3