Acknowledgments I would like to thank my advisors Prof. Gunter Saake, Thomas Thüm, and Reimar Schröter for giving me the possibility of writing this master's thesis. A special thanks to Reimar for his fast and constructive feedback. I also thank my friends and family and everybody else who supported me during the creation of this thesis.

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The lectio praecursoria reviews my doctoral thesis and its research topic. topic of artistic was the introduction new aspects perspectives on Igor Stravinsky’s (1882–1971) xylophone writing through original solo compositions by author. history background also discussed.

Doctoral training and education tends to focus on how research write a thesis, which can take many forms. However, thesis is not the only valued outcome of doctorate: emerging Doctor important too. Being becoming implies identity work engaging affective dimensions researcher development alongside researching writing thesis. These are always explicit in doctoral education, though. Thus, we conte...

When working on a project or a thesis, one may, at times, feel as if one is working alone in isolation. This may be true for various reasons, but ought not to be the case, unless you are working on a PhD thesis when you have to demonstrate you have what it takes to go at least one whole turn through the knowledge creation spiral1. What certainly holds, is that • the topic of your project or the...

This thesis examines two largely unrelated problems in applied algorithmics, motivated by the search for e cient geometric algorithms. In the rst part of the thesis, we consider the problem of nding e cient parallel algorithms for heterogeneous parallel computers, i.e., parallel computers in which di erent processors have di erent computational potential. To this end, we de ne a formal computat...