Recent publications (1996-1999)

The 3n+1 problem and holomorphic dynamics (1999).

with Simon Letherman and Dierk Schleicher, Experimental Mathematics 8 (1999) 241--251.

Problems in the Steenrod algebra (1998). ps

Bull. London Math. Soc. 30 (1998) 449--517.

The intersection of the admissible basis and the Milnor basis of the Steenrod Algebra (1998). ps

with David carlisle and Grant Walker, Journal of Pure and Applied Algebra 128 (1998) 1--10.

The nilpotence height of P^p^n (1998). ps

with Grant Walker, Math. Proc. Camb. Phil. Soc. 123 (1998) 85--93.

Differential operators and the Steenrod algebra (1997). ps

Proc. London Math. Soc. 75 (1997) 194--220

The nilpotence height of Sq^2^n (1996). ps

with Grant Walker, Proc. Amer. Math. Soc. 4 (1996) 1291--1295.

Optimal Design: A computer program to study the best possible spacing of design points for model disrcrimination (1996).

with Bill Bardsley and E.M. Melikhova, Computers Chemistry. Vol 20, 145-157 (1996).