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math.GR2018★ 4 cited
On the group of a rational maximal bifix code
Jorge Almeida, Alfredo Costa, Revekka Kyriakoglou +1
We give necessary and sufficient conditions for the group of a rational maximal bifix code to be isomorphic with the -group of , when is recurrent and …
math.GR2017★ 1 cited
Profinite semigroups
Revekka Kyriakoglou, Dominique Perrin
We present a survey of results on profinite semigroups and their link with symbolic dynamics. We develop a series of results, mostly due to Almeida and Costa and we also include so…