Frantisek Mráz, Friedrich Otto. Lambda-Confluence Is Undecidable for Clearing Restarting Automata. In Stavros Konstantinidis, editor, Implementation and Application of Automata - 18th International Conference, CIAA 2013, Halifax, NS, Canada, July 16-19, 2013. Proceedings. Volume 7982 of Lecture Notes in Computer Science, pages 256-267, Springer, 2013. [doi]
Abstract is missing.