The International Workshop on Multi-Rate Processes and Hysteresis (MURPHYS) series focuses on multiple scale, singular perturbation, phase transition and hysteresis phenomena occurring in mathematical, physical, economical, engineering and information systems. MURPHYS 2012 is hosted by Stefan cel Mare University, Suceava (Romania), from May 21 to 24, 2012. The workshop is organized in cooperation with University College Cork (Ireland) and University