Abstract
Underlying the notion of an automatic structure is that of a synchronously regular (s-regular for short) set of pairs of strings. Accordingly we consider s-regular prefix-rewriting systems showing that even for fairly restricted systems of this form confluence is undecidable in general. Then a close correspondence is established between the existence of an automatic structure that yields a prefix-closed set of unique representatives for a finitely generated monoid and the existence of an s-regular canonical prefix-rewriting system presenting that monoid.
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Otto, F. (1999). On S-Regular Prefix-Rewriting Systems and Automatic Structures. In: Asano, T., Imai, H., Lee, D.T., Nakano, Si., Tokuyama, T. (eds) Computing and Combinatorics. COCOON 1999. Lecture Notes in Computer Science, vol 1627. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48686-0_42
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DOI: https://doi.org/10.1007/3-540-48686-0_42
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