35 citations · 258 across the 40 of their papers we have counts for
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math.GR2013★ 11 cited
Rewriting systems and biautomatic structures for Chinese, hypoplactic, and sylvester monoids
Alan J. Cain, Robert D. Gray, António Malheiro
This paper studies complete rewriting systems and biautomaticity for three interesting classes of finite-rank homogeneous monoids: Chinese monoids, hypoplactic monoids, and sylvest…
math.GR2013★ 24 cited
The minimal number of generators of a finite semigroup
Robert D. Gray
The rank of a finite semigroup is the smallest number of elements required to generate the semigroup. A formula is given for the rank of an arbitrary (non necessarily regular) Rees…