Below is a list of some of my recent research publications:

Projectional Entropy in Higher Dimensional Shifts of Finite Type
with A. Johnson and S. Kass
Complex Systems 17 (2007), 243-257.

Factoring Higher Dimensional Shifts of Finite Type onto the Full Shift
with A. Johnson
Ergodic Theory and Dynamical Systems 25 (2005), 811-822.

The Symbolic Dynamics of Multidimensional Tiling Systems
with E. Coven, A. Johnson and N. Jonoska
Ergodic Theory and Dynamical Systems 23 (2003), 447-460.

A Single Nonexpansive, Nonperiodic Rational Direction
 Complex Systems 12 (2000), 253-260.

The Ergodic Theorem for Topological Cocycles
with N. Markley
Rocky Mountain Journal of Mathematics 29 (1999), 229-238.

The Decomposition Theorem for Two-Dimensional Shifts of Finite Type
with A. Johnson
Proceedings of the American Mathematical Society 127 (1999),  1533-1543.

The Structural Stability of Topological Cocycles
with N. Markley and M. Sears
Ergodic Theory and Dynamical Systems 19 (1999), 1309-1324.

The Giant Spiral
Israel Journal of Mathematics 103 (1998), 67-92.

Non-Singular Cocycles and Piecewise Linear Time Changes
with N. Markley
Acta Mathematica Universitatis Comenianae 94 (1997), 1-20.