A remark on elementary pseudogroups
Tôru Saitô (1966)
Colloquium Mathematicae
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Tôru Saitô (1966)
Colloquium Mathematicae
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Dariush Heidari, Marzieh Amooshahi (2015)
Discussiones Mathematicae - General Algebra and Applications
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The concept of Γ-semigroups is a generalization of semigroups. In this paper, we consider Γ-groups and prove that every Γ-group is derived from a group then, we give the number of Γ-groups of small order.
P. Grillet (1972)
Semigroup forum
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M.S. Putcha (1981)
Semigroup forum
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S. Lajos (1970)
Colloquium Mathematicae
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Dolinka, Igor (1999)
Novi Sad Journal of Mathematics
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V.Y. Belyaev (1982)
Semigroup forum
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B. M. Schein (1974)
Colloquium Mathematicae
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S. Lipscomb, J. Konieczy (1995)
Semigroup forum
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Kar-Ping Shum, Lan Du, Yuqi Guo (2010)
Discussiones Mathematicae - General Algebra and Applications
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Green's relations and their generalizations on semigroups are useful in studying regular semigroups and their generalizations. In this paper, we first give a brief survey of this topic. We then give some examples to illustrate some special properties of generalized Green's relations which are related to completely regular semigroups and abundant semigroups.
Albert R. Stralka (1969)
Mathematische Zeitschrift
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