Abstract
Regular languages have many different characterizations in terms of automata, congruences, semigroups etc. We have a look at some more recent results, obtained mostly during the last two decades, namely characterizations using morphic compositions, equality sets and well orderings.
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Harju, T. (2006). Characterizations of Regularity. In: Yli-Jyrä, A., Karttunen, L., Karhumäki, J. (eds) Finite-State Methods and Natural Language Processing. FSMNLP 2005. Lecture Notes in Computer Science(), vol 4002. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11780885_1
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DOI: https://doi.org/10.1007/11780885_1
Publisher Name: Springer, Berlin, Heidelberg
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