European foreign policy - A new framework for analysis
Wuppertal, July 2016
Exact short-distance correlations of the Heisenberg chain by means of the fermionic basis
Wuppertal, November 2020

Explaining individual differences in workplace commitments
the role of residual bonds and commitment propensity ; [kumulative Dissertation]2012

Extending and automating Fourier analysis for multigrid methods
Wuppertal, June 2017
