Commutative nilpotent transformation semigroups

Cameron et al. determined the maximum size of a null subsemigroup of the full transformation semigroup T ( X ) on a finite set X and provided a description of the null semigroups that achieve that size. In this paper we extend the results on null semigroups (which are commutative) to commutative nil...

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Veröffentlicht in:	Semigroup forum 2024-08, Vol.109 (1), p.60-75
Hauptverfasser:	Cain, Alan J., Malheiro, António, Paulista, Tânia
Format:	Artikel
Sprache:	eng
Schlagworte:	Algebra Combinatorial analysis Group theory Mathematics Mathematics and Statistics Research Article Semigroups Transformations (mathematics)
Online-Zugang:	Volltext
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