The rank of variants of nilpotent pseudovarieties
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Publication:6267506
DOI10.1016/J.JALGEBRA.2022.06.009arXiv1511.05442MaRDI QIDQ6267506
Jorge Almeida, M. H. Shahzamanian
Publication date: 17 November 2015
Abstract: We investigate the rank of pseudovarieties defined by several of the variants of nilpotency conditions for semigroups in the sense of Mal'cev. For several of them, we provide finite bases of pseudoidentities. We also show that the Neumann-Taylor variant does not have finite rank.
Varieties and pseudovarieties of semigroups (20M07) Semigroups in automata theory, linguistics, etc. (20M35)
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