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An application of the Regularity Lemma in generalized Ramsey theory.'' Journal of Graph Theory 44, 2003, pp. 39-49 (with Stanley Selkow)

Monochromatic Hamiltonian Berge-cycles in colored complete uniform hypergraphs.'' Journal of Combinatorial Theory, Ser. B 98, 2008, pp. 342-358 (with András Gyárfás, Jeno Lehel and Richard Schelp).

Stability of the path-path Ramsey number.'' Discrete Mathematics 309, 2009, pp. 4590-4595 (with András Gyárfás and Endre Szemerédi).

Long rainbow cycles in proper edge-colorings of complete graphs.'' Australasian Journal of Combinatorics 50, 2011, pp. 45-53 (with András Gyárfás, Miklós Ruszinkó and Richard Schelp)

Applying Clustering to the Problem of Predicting Retention within an ITS: Comparing Regularity Clustering with Traditional Methods.'' Proceedings of the 26th International FLAIRS Conference, 2013, pp. 527-532. (with Fei Song, Shubhendu Trivedi, Yutao Wang and Neil Heffernan)