This text has been devised to meet the needs of modern courses in advanced German for students at undergraduate level. It aims to be a flexible resource that can be used as core teaching material or as a supplementary text.

Kenntnisse has been devised to meet the needs of modern courses in advanced German for students at undergraduate level. It is a highly flexible resource and can be used as core teaching material or as a supplementary text.

We are very pleased to present this LNCS volume, the proceedings of the 9th International Conference on Parallel Problem Solving from Nature (PPSN IX). PPSNisoneofthemostrespectedandhighlyregardedconferenceseriesinevo- tionary computation and natural computing / computation. This biennial event was ?rst held in Dortmund in 1990, and then in Brussels (1992), Jerusalem (1994), Berlin (1996), Amsterdam (1998), Paris (2000), Granada (2002), and Birmingham(2004).PPSNcontinuestobetheconferenceofchoicebyresearchers all over the world, who value its high quality. We received 255 paper submissions...