@InProceedings{goller_et_al:LIPIcs.STACS.2012.148, author = {G\"{o}ller, Stefan and Widjaja Lin, Anthony}, title = {{Concurrency Makes Simple Theories Hard}}, booktitle = {29th International Symposium on Theoretical Aspects of Computer Science (STACS 2012)}, pages = {148--159}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-35-4}, ISSN = {1868-8969}, year = {2012}, volume = {14}, editor = {D\"{u}rr, Christoph and Wilke, Thomas}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2012.148}, URN = {urn:nbn:de:0030-drops-34214}, doi = {10.4230/LIPIcs.STACS.2012.148}, annote = {Keywords: Modal Logic, Model Checking, Asynchronous Product, Pushdown Systems, Feferman-Vaught, Nonelementary lower bounds} }