- Chinese Buddhism, the intellectual history of Chinese Buddhism, biographical literature and the representation of the person in the 7th century; Chinese Buddhist commentary
Açvaghosa's Dacheng qixin lun in Fazang's (Tang) and Xufa's (Qing) Interpretation
Chinese Buddhist Sutra Exegesis in Historical Perspective
Kuiji's Commentary Jingang jing Zanshu on the Vajracchedikå-sutra; and Sthiramati's Trimçikå Commentary on "Mere Cognition".
- Habilitation, University of Heidelberg, 1999
- Ph.D. in Chinese Studies, University of Tübingen, 1989
- M.A. University of Tübingen, 1985