Sustainability in a Differential Equations Course: A Case Study of Easter Island, International Journal of Mathematical Education in Science and Technology, Vol. 42, Issue 4 (2011), 545 - 553.

With J. Barnes, The Ergodic Theory Carnival, Math. Magazine 83, no. 3 (2010), 180 - 190.

Manipulatives for 3-dimensional coordinate systems, PRIMUS, Vol. 21, no. 4 (2011), 364 - 376.

Cantor Julia sets in a family of even elliptic functions, J. Difference Equ. Appl., 16 no. 5 and 6 (2010), 675 - 688.

With J. Hawkins and J. Kotus, Elliptic functions with critical orbits approaching infinity, J. Difference Equ. Appl. 16 no. 5 and 6 (2010), 613 - 630.

A fundamental dichotomy for Julia sets of a family of elliptic functions, Proc. Amer. Math. Soc. 137 (2009), 3927-3938.

With J. Goldsmith, Dynamical Properties of the Derivative of the Weierstrass Elliptic Function, Involve 2, no.3 (2009), 267 - 288.

With. J. Hawkins,  Connectivity Properties of Julia Sets of Weierstrass Elliptic Functions, Topology and its Applications, Vol. 152, Issues 1-2 ( 2005), 107-137.

With. J. Hawkins,  Parametrized Dynamics of the Weierstrass Elliptic Function, Conf. Geo. and Dyn., 8 (2004), 1 - 35.  pdf .

With. J. Hawkins, Ergodic Properties and Julia Sets of Weierstrass Elliptic Functions,  Monatsh. Math. 137 (2002) 4, 273-300.

With J. Barnes, A Julia Set that is Everything,  Math. Magazine, 76 (2003) 4, 255 - 263.

Ergodic and Bernoulli Properties of Analytic Maps of Complex Projective Space, Trans. Amer. Math. Soc., Vol 354 (2002), 2417-2450.

With J. Barnes, One-Sided Lebesgue Bernoulli Maps of the Sphere of Degree n^2 and 2n^2, Internat. J. Math.  Math. Sci., Vol. 23, No. 6 (2000), 383 - 392.