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#### The Brachistochrone Problem: Mathematics for a Broad Audience via a Large Context Problem

(Montana Council of Teachers of Mathematics & Information Age Publishing, 2008)

Large context problems (LCP) are useful in teaching the history of science. In this article we consider the brachistochrone problem in a context stretching from Euclid through the Bernoullis. We highlight a variety of ...

#### The Number of Ternary Words Avoiding Abelian Cubes Grows Exponentially

(2004-06-19)

We show that the number of ternary words of length n avoiding abelian cubes grows
faster than r^n, where r = 2^{1/24}

#### The metric dimension and metric independence of a graph

(The Charles Babbage Research Centre, 2001)

A vertex x of a graph G resolves two vertices u and v of G if the
distance from x to u does not equal the distance from x to v. A set
S of vertices of G is a resolving set for G if every two distinct vertices
of G are ...

#### Dejean's conjecture holds for n ≥ 27

(EDP Sciences, 2009)

We show that Dejean’s conjecture holds for n ≥ 27. This brings the final resolution of the conjecture by the approach of Moulin Ollagnier within range of the computationally feasible.