Gutachter: Ao.Univ.-Prof. Dr. Wolfgang Grosser

advice and gave me excellent support via e-mail and telephone. During the time when I wrote the major part of this thesis, I was also working in the Cognitive Systems research group in Bremen, which is headed by Christian Freksa. Many ideas about mental models developed in the productive and friendly environment of this group. I want to thank George Engel for his interest in my work, for his suggestions and for doing a valuable final proof-read. There are many people who supported me and helped me. In particular, I want to thank my family and Linda Stassak for giving me sustained trust and support. In this thesis I propose a method for analysing the creation of images of self and other in a relatively substantial corpus in a comprehensive manner without at the same time losing sight of singular features. I will discuss how images of self and other are used in political speech an

A High-Performance Data-Dependent Hardware Integer Divider MAGISTERARBEIT zur Erlangung des akademischen Grades

To my parents Ella and Josef, who made it all possible