Holger Spakowski, Rahul Tripathi. On the Power of Unambiguity in Alternating Machines. In Maciej Liskiewicz, Rüdiger Reischuk, editors, Fundamentals of Computation Theory, 15th International Symposium, FCT 2005, Lübeck, Germany, August 17-20, 2005, Proceedings. Volume 3623 of Lecture Notes in Computer Science, pages 125-136, Springer, 2005. [doi]
Abstract is missing.