On semigroups having a kernel
Štefan Schwarz (1951)
Czechoslovak Mathematical Journal
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Displaying similar documents to “Quasiregular semigroups.”
On semigroups having a kernel
Continuous isometric semigroups and reflexivity
Marek Ptak (1991)
Annales Polonici Mathematici
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Abstract. We consider the reflexivity of a WOT-closed algebra generated by continuous isometric semigroups parametrized by the semigroup of non-negative reals or the semigroup of finite sequences of non-negative reals. It is also proved that semigroups of continuous unilateral multi-parameter shifts are reflexive.
Semigroups with [ x] [ y] = [y][x].
E. D. DeVun (1980)
Semigroup forum
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Magnifying elements in semigroups.
F. Catino, F. Migliorini (1992)
Semigroup forum
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Transformation semigroups associated to Γ-semigroups
Dariush Heidari, Marzieh Amooshahi (2013)
Discussiones Mathematicae - General Algebra and Applications
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The concept of Γ-semigroups is a generalization of semigroups. In this paper, we associate two transformation semigroups to a Γ-semigroup and we call them the left and right transformation semigroups. We prove some relationships between the ideals of a Γ-semigroup and the ideals of its left and right transformation semigroups. Finally, we study some relationships between Green's equivalence relations of a Γ-semigroup and its left (right) transformation semigroup.
On perturbations of differentiate semigroups.
B.D. Doytchinov, W.J. Hrusa, S.J. Watson (1997)
Semigroup forum
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Algebraic theory of finite semigroups
John Rhodes (1969-1970)
Séminaire Dubreil. Algèbre et théorie des nombres
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Inflation of Semigroups
Stojan Bogdanović, Svetozar Milić (1987)
Publications de l'Institut Mathématique
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Simplicity of wreath product of semigroups with fixed passive semigroup.
A.V. Tishchenko (1994)
Semigroup forum
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