12 citations · 23 across the 10 of their papers we have counts for
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cs.FL2014★ 3 cited
McCammond's normal forms for free aperiodic semigroups revisited
Jorge Almeida, José Carlos Costa, Marc Zeitoun
This paper revisits the solution of the word problem for -terms interpreted over finite aperiodic semigroups, obtained by J. McCammond. The original proof of correctness of McCa…
math.GR2014
Semigroup presentations for test local groups
J. C. Costa, C. Nogueira, M. L. Teixeira
In this paper we exhibit a type of semigroup presentations which determines a class of local groups. We show that the finite elements of this class generate the pseudovariety ${\bf…