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Orientador(es)
Resumo(s)
We show that the special Schreier extensions of monoids, with abelian kernel, admit a Baer sum construction, which generalizes the classical one for group extensions with abelian kernel. In order to do that, we characterize the special Schreier extensions by means of factor sets.
Descrição
Palavras-chave
Monoid Special Schreier extension Baer sum Factor set
Contexto Educativo
Citação
Martins-Ferreira, N., Montoli, A. & Sobral, M. Baer sums of special Schreier extensions of monoids. Semigroup Forum 93, 403–415 (2016). https://doi.org/10.1007/s00233-016-9780-2
Editora
Springer Science and Business Media LLC
