The Dirichlet problem for nonlocal operators (with M. Felsinger, M. Kassmann)
Mathematische Zeitschrift 279(3-4) (2015), 779-809.
Harnack Inequalities for Symmetric Stable Levy Processes
Preprint: arXiv:1503.05119 (2015).
Weak Harnack Inequality and Hölder Regularity for Symmetric Stable Lévy Processes
Preprint: arXiv:1504.03528 (2015).