Probabilistic Combinatorics, including randomized algorithms, random graphs and Galton-Watson trees.
X. S. Cai, “A study of large fringe and non-fringe subtrees in conditional Galton-Watson trees,” PhD thesis, McGill University, Aug. 2016. [link]
X. S. Cai, “A probabilistic analysis of Kademlia networks,” Master’s thesis, McGill University, Aug. 2012. [link]