(With E. Tressler) The first nontrivial Hales-Jewett number is four (to appear in Ars Combinatoria)

(With D. Strauss) Homomorphisms on compact subsets of beta S (to appear in African Diaspora Journal of Mathematics)

(With D. Strauss) Algebra in the space of ultrafilters and Ramsey Theory (to appear in Contemporary Mathematics)

Monochromatic sums equal to products in N (to appear in Integers)

(With D. Strauss) Some combinatorially defined subsets of beta N and their relation to the idempotents