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TitlePseudovariety joins involving J-trivial semigroups
Author(s)Almeida, Jorge
Azevedo, Assis
Zeitoun, Marc
Issue date1999
PublisherWorld Scientific and Engineering Academy and Society (WSEAS)
JournalInternational Journal of Algebra and Computation
Citation"International journal of algebra and computation". ISSN 0218-1967. 9:1 (1999) 99-112.
Abstract(s)J. Rhodes asked during the Chico conference in 1986 for the calculation of joins of semigroup pseudovarieties. This paper proves that the join J v H of the pseudovariety J of J-trivial semigroups and of any 2-strongly decidable pseudovariety V of completely regular semigroups is decidable. This problem was proposed by the first author for V=G, the pseudovariety of finite groups.
AccessOpen access
Appears in Collections:DMAT - Artigos (Papers)

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