Invited Professor:
University of Padova (Italy) at Jan/1994 - Mar/1994.
University of Padova (Italy) at Oct/1995 - Nov/1995.
University of Bordeaux I (France) at May 2002
University of Bordeaux IV (France) at June 2002
University of Bordeaux IV (France) at March 2003
Invited Sholar:
Univ. of Illinois at Urbana-Champaign (USA) at Aug/1994 - Sept/1994
Univ. of Illinois at Urbana-Champaign (USA) at July/1996
Univ. of Illinois at Urbana-Champaign (USA) at Feb/2001
Univ. of Illinois at Urbana-Champaign (USA) at Dec/2002
Univ. of Padova (Italy) at Sept/1996 - Oct/1996.
Deakin University, Victoria, Australia at Jan/1997 - Feb/1997
Lab. des Signaux et Systemes, CNRS Supelec Gif-sur-Yvette (France) at May/1998 - June/1998.
Lab. des Signaux et Systemes, CNRS Supelec Gif-sur-Yvette (France) at Jan/1999 - Apr/1999.
Lab. des Signaux et Systemes, CNRS Supelec Gif-sur-Yvette (France) at Oct/1999 - Dec/1999.
Lab. des Signaux et Systemes, CNRS Supelec Gif-sur-Yvette (France) at Mar/2000 - Mai/2000.
Laboratoire Bordelais de Recherche en Informatique, LaBRI, Talence (France) at Mar/2001 - April/2001.
Laboratoire Bordelais de Recherche en Informatique, LaBRI, Talence (France) at Sept/2001 - Dec/2001.
Laboratoire Mathematiques Appliquee du Bordeaux, MAB, Talence (France) at Sept/2002 - Oct/2002.
Laboratoire Mathematiques Appliquee du Bordeaux, MAB, Talence (France) at Feb/2003 - Mar/2003.
Invited Speaker:
Univ. of Padova (Italy) 1992, 1994, 1995, 1996, 1998, 2000, 2002
SISSA, Trieste (Italy) 1994.
SICESE, Ensensda (Mexico) 1994.
Waine State Univ., Detroit (USA), 1994.
Univ. of Illinois at Urbana-Champaign (USA), 1994.
Univ. of Nevada, Reno (USA), 1994.
Univ. of Roma la Sapienza (Italy), 1995.
Tel-Aviv Univ. (Israel), 1995
Lab. d'Automatique de Grenoble, ENSIEG ( France), 1997, 1999
Lab. des Signaux et Systemes, CNRS Supelec Gif-sur-Yvette (France), 1997.
Max-Plank Institute for Demographic Problems, Rostok (Germany), 2000.