Theses
On Stochastic Control and Optimal Stopping in Continuous Time, habilitation treatise, 2013, part (most material that is not displayed is published as papers).
Contributions to the theory of optimal stopping, PhD-Thesis, 2010, link.
Fluctuation theory and Smooth Fit, Diploma Thesis, Kiel, 2007.
All are available upon request; just write an e-mail.