Kousha Etessami, Alistair Stewart, Mihalis Yannakakis. Polynomial time algorithms for multi-type branching processesand stochastic context-free grammars. In Howard J. Karloff, Toniann Pitassi, editors, Proceedings of the 44th Symposium on Theory of Computing Conference, STOC 2012, New York, NY, USA, May 19 - 22, 2012. pages 579-588, ACM, 2012. [doi]
Abstract is missing.