On properties not inherited by monoids from their Schützenberger groups. - Robert D. Gray; António Malheiro; Stephen J. Pride (Inf. Comput., 2011)

A šVarc-Milnor Lemma for Monoids Acting by Isometric Embeddings. - Robert D. Gray; Mark Kambites (Int. J. Algebra Comput., 2011)

Finite complete rewriting systems for regular semigroups. - Robert D. Gray; António Malheiro (Theor. Comput. Sci., 2011)

Quasi-Isometry and Finite Presentations of Left Cancellative Monoids. - Robert D. Gray; Mark Kambites (Int. J. Algebra Comput., 2013)

Homotopy bases and finite derivation type for Schützenberger groups of monoids. - Robert D. Gray; António Malheiro; Stephen J. Pride (J. Symb. Comput., 2013)

Crystal bases, finite complete rewriting systems, and biautomatic structures for Plactic monoids of types $A_n$, $B_n$, $C_n$, $D_n$, and $G_2$. - Alan J. Cain; Robert D. Gray; António Malheiro (CoRR, 2014)

Countable locally 2-arc-transitive bipartite graphs. - Robert D. Gray; John Kenneth Truss (Eur. J. Comb., 2014)

Rewriting systems and biautomatic structures for Chinese, hypoplactic, and sylvester monoids. - Alan J. Cain; Robert D. Gray; António Malheiro (Int. J. Algebra Comput., 2015)

On finite complete rewriting systems, finite derivation type, and automaticity for homogeneous monoids. - Alan J. Cain; Robert D. Gray; António Malheiro (Inf. Comput., 2017)

Diagram monoids and Graham-Houghton graphs: Idempotents and generating sets of ideals. - James East; Robert D. Gray (J. Comb. Theory A, 2017)

Permutation monoids and MB-homogeneity for graphs and relational structures. - Thomas D. H. Coleman; David M. Evans 001; Robert D. Gray (Eur. J. Comb., 2019)

Crystal monoids & crystal bases: Rewriting systems and biautomatic structures for plactic monoids of types An, Bn, Cn, Dn, and G2. - Alan J. Cain; Robert D. Gray; António Malheiro (J. Comb. Theory A, 2019)

On equations and first-order theory of one-relator monoids. - Albert Garreta; Robert D. Gray (Inf. Comput., 2021)