next up previous [pdf]

Next: Bibliography Up: Liu etc.: - - Previous: Conclusions


We thank Jeffrey Shragge, Kris Innanen, and three anonymous reviewers for helpful suggestions, which improved the quality of the paper. This work is partly supported by National Natural Science Foundation of China (Grant No. 41274119, 41430322), 863 Program of China (Grant No. 2012AA09A2010), and 973 Program of China (Grant No. 2013CB429805). All results are reproducible in the Madagascar open-source software environment (Fomel et al., 2013).