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Commutative positive varieties of languages

Acta Cybernetica (2017) 23(1) 91-111
DOI: 10.14232/actacyb.23.1.2017.7
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Abstract

We study the commutative positive varieties of languages closed under various operations: Shuffle, renaming and product over one-letter alphabets.

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Almeida, J., Esik, Z., & Pin, J. E. (2017). Commutative positive varieties of languages. Acta Cybernetica, 23(1), 91–111. https://doi.org/10.14232/actacyb.23.1.2017.7

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