Preface: ICPADS 2004 QoS and Dynamic Systems Workshop

Held also regular and visiting positions in Serbia (Institute of Mathematics, University of Novi Sad, 1980-1987), Japan (Electrotechnical Laboratory, Tsukuba, 1985/86), USA (Washington State University, Pullman, WA, and University of Miami, FL, 1987/88), Canada, France (Amiens 1998, Lille 2002-2008, Orsay 2008), Spain (Murcia, 2005) and Mexico (DISCA, IIMAS, Universidad Nacional Autonoma de Mexico, 2000/02).