** Recent results on partition regularity of infinite matrices**
(to appear in *Connections in Discrete Mathematics*, Cambridge
University Press)

(With D. Strauss and L. Zamboni)
**Recurrence in the dynamical system (X,(T_s)_{s in S})
and ideals of beta S** (to appear in *Indagationes Mathematicae*)

(With K. Pleasant)
**Preserving integer images of matrices** (to appear in *Integers*)

(With D. Strauss)
** Image partition regularity of matrices over commutative semigroups**

** Research of Wis Comfort on ultrafilters and the Stone-Cech
compactification**

(With L. Jones and D. Strauss)
** The relationships among many notions
of largeness for subsets of a semigroup**