Professional honors, awards and fellowships:


April-May 1990, Moscow State University, Moscow, Russia


October-November 1991,  Blaise Pascal University, Clermont-Ferrand, France


1992-1993, Fulbright Scolarship, Florida Institute of Technology, Melbourne, USA


July 1994,  University of Florence, Florence, Italy


May 1995,  University of Florence, Florence, Italy


May 1997, University of Ioannina, Greece


January-July 1998, CNR Fellowship, University of Florence, Italy


May-June 2002, University of Catania, Italy


July 2002,  University of Florence, Italy


May 2003, University of Torino, University of Florence, Italy


November 2004, Astronomical Observatory of Torino, Italy