Homeomorphism of 2-Complexes is Equivalent to Graph Isomorphism. - Colm Ó'Dúnlaing; Colum Watt; David Wilkins (Int. J. Comput. Geom. Appl., 2000)

On Products of Euclidean Reflections. - Thomas Brady; Colum Watt (Am. Math. Mon., 2006)

Climbing Elements in Finite Coxeter Groups. - Thomas Brady; Aisling Kenny; Colum Watt (Electron. J. Comb., 2010)