Kousha Etessami, Dominik Wojtczak, Mihalis Yannakakis. Quasi-Birth-Death Processes, Tree-Like QBDs, Probabilistic 1-Counter Automata, and Pushdown Systems. In Fifth International Conference on the Quantitative Evaluaiton of Systems (QEST 2008), 14-17 September 2008, Saint-Malo, France. pages 243-253, IEEE Computer Society, 2008. [doi]
Abstract is missing.