The Variance of the Number of 2-Protected Nodes in a Trie. - Jeffrey Gaither; Mark Daniel Ward (ANALCO, 2013)

Resolution of T. Ward's Question and the Israel-Finch Conjecture: Precise Analysis of an Integer Sequence Arising in Dynamics. - Jeffrey Gaither; Guy Louchard; Stephan G. Wagner; Mark Daniel Ward (Comb. Probab. Comput., 2015)

Variance of the Internal Profile in Suffix Trees. - Jeffrey Gaither; Mark Daniel Ward (CoRR, 2016)