Isolated and nilpotent subsemigroups in the variants of $\IS$

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All isolated, completely isolated, and nilpotent subsemigroups in the semigroup $\IS$ of all injective partial transformations of an $n$-element set, considered as a semigroup with a sandwich multiplication are described.
10 pages

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Rings and Algebras, Group Theory, 20M20

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http://salesiana.dossiersoluciones.com/handle/123456789/121696

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0508387
 http://arxiv.org/abs/math/0508387
 Algebra and Discrete Mathematics, Number 1, (2006), 89-97

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arXiv