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pro vyhledávání: '"Costa José Carlos"'
Autor:
Rangel, Josefa, Liberal, Ângela, Catarino, Sílvia, Costa, José Carlos, Romeiras, Maria M., Fernandes, Ângela
Publikováno v:
In Food Chemistry 1 August 2024 448
Publikováno v:
Forum Mathematicum 34:5 (2022) 1131-1145
Given a regular language L, we effectively construct a unary semigroup that recognizes the topological closure of L in the free unary semigroup relative to the variety of unary semigroups generated by the pseudovariety R of all finite R-trivial semig
Externí odkaz:
http://arxiv.org/abs/1905.10460
Autor:
Silva Rocha Costa, José Carlos1 jcsrcf@gmail.com
Publikováno v:
Prometeus: Filosofia em Revista. Jan-Apr2024, Issue 44, p115-127. 13p.
Akademický článek
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Publikováno v:
Publicacions Matem\`atiques 63 (2019), 361-422
Given a pseudoword over suitable pseudovarieties, we associate to it a labeled linear order determined by the factorizations of the pseudoword. We show that, in the case of the pseudovariety of aperiodic finite semigroups, the pseudoword can be recov
Externí odkaz:
http://arxiv.org/abs/1702.08083
This paper deals with the reducibility property of semidirect products of the form $\bf V*\bf D$ relatively to graph equation systems, where $\bf D$ denotes the pseudovariety of definite semigroups. We show that, if the pseudovariety $\bf V$ is reduc
Externí odkaz:
http://arxiv.org/abs/1602.03020
Autor:
Canilho Santos, João, Paes, Paula, Arsénio, Pedro, Figueira, Rui, Costa, José Carlos, Lopes, Margarida Dionísio, Cotrim, Helena, Espírito-Santo, Dalila
Publikováno v:
Diversity (14242818); Aug2024, Vol. 16 Issue 8, p478, 17p
Publikováno v:
LMS J. Comput. Math. 18 (2015) 130-147
This paper revisits the solution of the word problem for $\omega$-terms interpreted over finite aperiodic semigroups, obtained by J. McCammond. The original proof of correctness of McCammond's algorithm, based on normal forms for such terms, uses McC
Externí odkaz:
http://arxiv.org/abs/1406.0888
Publikováno v:
Publicacions Matemàtiques, 2019 Jan 01. 63(2), 361-422.
Externí odkaz:
https://www.jstor.org/stable/26860746