@Inproceedings{EPTCS346.3, author = {Jantsch, Simon and Piribauer, Jakob and Baier, Christel}, year = {2021}, title = {Witnessing Subsystems for Probabilistic Systems with Low Tree Width}, editor = {Ganty, Pierre and Bresolin, Davide}, booktitle = {{\rm Proceedings 12th International Symposium on} Games, Automata, Logics, and Formal Verification, {\rm Padua, Italy, 20-22 September 2021}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {346}, publisher = {Open Publishing Association}, pages = {35-51}, doi = {10.4204/EPTCS.346.3}, }