Research of Wis Comfort on ultrafilters and the Stone-Cech compactification (to appear in Topology and its Applications)

(With L. Jones and D. Strauss) The relationships among many notions of largeness for subsets of a semigroup (to appear in Semigroup Forum)

A history of central sets (to appear in Ergodic Theory and Dynamical Systems)

(With D. Strauss) Image partition regularity of matrices over commutative semigroups (to appear in Topology and its Applications)

(With D. Strauss) Sets and mappings in beta S which are not Borel (to appear in New York J. Math.)

(With D. Strauss) Some new examples of infinite image partition regular matrices

(With W. Brian) Factoring a minimal ultrafilter into a thick part and a syndetic part

(With D. Strauss and L. Zamboni) Combining extensions of the Hales-Jewett Theorem with Ramsey Theory in other structures