Group Geometric Analysis and Spectral Theorie at the Department for Mathematics of Humboldt University Berlin 

That is the work group where I did my PhD. 

Department for Mathematics of Augsburg University 

There I studied and started my PhD. 

arXiv.org ePrint archive 

Preprint server for Mathematics, Physics and Computer Science. There is a mirror at Augsburg University. 

Zentralblatt der Mathematik 

Deutsche MathematikerVereinigung 

American Mathematical Society 

Deutsche Forschungsgemeinschaft 
