"Orbits of Primitive k-homogenous Groups on (n − k)-partitions with Applications to Semigroups", to appear in the Transactions of the American Mathematical Society (2017). doi:10.1090/tran/7274 (with J. Araújo and P.J. Cameron).
"Automorphism Groups of Circulant Digraphs with Applications to Semigroup Theory", Combinatorica (2017). doi:10.1007/s00493-016-3403-0 (with J. Araújo, E. Dobson, J. Konieczny, and J. Morris).
“Primitive Groups, Graph Endomorphisms and Synchronization”, Proceedings of the London Mathematical Society 113 (2016), 829–867 (with J. Araújo, P.J. Cameron, G. Royle, and A.Schaefer).
“The Rank of the Semigroup of Transformations Stabilising a Partition of a Finite Set”, Mathematical Proceedings of the Cambridge Philosophical Society 159 (2015), 339–353 (with J. Araújo, J.D.Mitchell, and Cs.Schneider).
“Dualizability of Automatic Algebras”, Journal of Pure and Applied Algebra 218 (2014), 1324–1345 (with B. A. Davey, J. G. Pitkethly, and R. Willard).
“Groups Synchronizing a Transformation of Non-Uniform Kernel”, Theoretical Computer Science 498 (2013), 1–9 (with J. Araújo and P. J. Cameron).