Titlebook: Development in Language Theory; 15th International C Giancarlo Mauri,Alberto Leporati Conference proceedings 2011 Springer-Verlag GmbH Berl

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Abelian Primitive Wordse can determine whether a word is Abelian primitive in linear time. Also different from classical primitive words, we find that a word may have more than one Abelian root. We also consider enumeration of Abelian primitive words.

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Emotion Recognition and Its Applications0]). Indeed, a well known technique to minimize a DFA, essentially, consists in finding pairs of states that are equivalent (or .), namely pairs of states (.,.) such that it is impossible to assert the difference between . and . only by starting in each of the two states and asking whether or not a

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Tatyana B. Ruseva,Burnell C. Fischer. The first line, originated by Thue in 1906, concerns about . words and languages. The second line is the study of . for words and languages; it can be traced back to the classical papers by Morse and Hedlund on symbolic dynamics (1938, 1940). Growth functions of repetition-free languages are inves

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https://doi.org/10.1007/978-94-007-4780-7by Ken Thompson—, are one of the major achievements of formal language and automata theory. Google counts 303,000 results for “regular expressions matching” (May?4, 2011); there are numerous command line tools for working with regular expressions such as grep; Google released a regular expression C+

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