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On the word problem for syntactic monoids of piecewise testable languages

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Piecewise testable languages are widely studied area in the theory of automata. We analyze the algebraic properties of these languages via their syntactic monoids. In this paper a normal form is presented for 2- and 3-piecewise testable languages and a log-asymptotic estimate is given for the number of words over these monoids.

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Correspondence to Kamilla Kátai-Urbán.

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Communicated by Marcel Jackson.

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Kátai-Urbán, K., Pach, P.P., Pluhár, G. et al. On the word problem for syntactic monoids of piecewise testable languages. Semigroup Forum 84, 323–332 (2012). https://doi.org/10.1007/s00233-011-9357-z

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  • DOI: https://doi.org/10.1007/s00233-011-9357-z

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