Thomas Colcombet, Christof Löding. The Nesting-Depth of Disjunctive µ-Calculus for Tree Languages and the Limitedness Problem. In Michael Kaminski, Simone Martini, editors, Computer Science Logic, 22nd International Workshop, CSL 2008, 17th Annual Conference of the EACSL, Bertinoro, Italy, September 16-19, 2008. Proceedings. Volume 5213 of Lecture Notes in Computer Science, pages 416-430, Springer, 2008. [doi]
Abstract is missing.