“Embedding of the Euclidean algebra e(3) into special linear algebra sl(4,C) and restriction of irreducible representations of sl(4,C),” co-author, Journal of Mathematical Physics, 52 (2011); 

“Indecomposable representations of the Euclidean algebra e(3) from irreducible representations of sl(4,C),” co-author, Bulletin of the Australian Mathematical Society, 83 (2011)

“Indecomposable representations of the Euclidean algebra e(3) from irreducible representations of the symplectic algebra sp(4,C)," co-author, J. Phys.: Conf. Ser. 284 (2011)

"Some nonunitary, indecomposable representations of the Euclidean algebra e(3)," co-author, Journal of Physics A: Mathematical and Theoretical, 43, (2010)

"Some residually solvable one-relator groups," co-author, Bulletin of the Irish Mathematical Society, 65 (2010).