Results 71 to 80 of about 567 (96)
Study on disaster-causing probability evaluation of gas pipeline in karst area. [PDF]
PLoS OneLi Q, Zhang P.
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Almost automorphic and bijective factors of substitution shifts. [PDF]
Mon Hefte MathBustos-Gajardo A +2 more
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NORMAL SEMIGROUPS OF ENDOMORPHISMS OF PROPER INDEPENDENCE ALGEBRAS ARE IDEMPOTENT GENERATED
Proceedings of the Edinburgh Mathematical Society, 2002 J. Araújo
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On completable elements of semigroups
International Journal of Contemporary Mathematical Sciences, 2022We say that an element x of a semigroup S is completable in a subset A of S if S1xS1∩A 6= ∅. We give a subdirect decomposition of a semigroup (F(S); ◦) of all fuzzy sets in a semigroup S by the help of nonempty subsets Ai ⊆ S, i ∈ I satisfying the ...
A. Nagy
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On an embedding theorem of Cohn
International Journal of Algebra, 2022In 1956, P.M. Cohn gave necessary and sufficient conditions for a semigroup to be embeddable in a left simple semigroup. The main purpose of this paper is to show how to construct a semigroup which is embeddable in an idempotent-free left simple ...
A. Nagy
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A construction of semigroups whose elements are middle units
, 2020An element a of a semigroup S is said to be a middle unit of S if xay = xy is satisfied for every x, y ∈ S. In this paper we show how to construct semigroups in which every element is a middle unit.
A. Nagy, O. Nagy
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, 2020
The concept of regularity in Γ-semigroups is not very easy to deal with even though it shares some analogy with its analogue of semigroup theory. In this paper we establish a mechanism which translates the regularity in a Γ-semigroup (S,Γ) as the usual ...
Fabiana Çullhaj, Anjeza Krakulli
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The concept of regularity in Γ-semigroups is not very easy to deal with even though it shares some analogy with its analogue of semigroup theory. In this paper we establish a mechanism which translates the regularity in a Γ-semigroup (S,Γ) as the usual ...
Fabiana Çullhaj, Anjeza Krakulli
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Birkhoff's HSP theorem for varieties of (n,m)-semigroups
International Journal of Algebra, 2019The work concerns varieties of (n,m)-semigroups in particular vector varieties of (n,m)-semigroups. We give a direct proof of Birkhoff’s HSP theorem for varieties of (n,m)-semigroups and we find a corresponding HSP Theorem for vector varieties of (n,m ...
Irena Stojmenovska, D. Dimovski
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On (m,n)-ideals in LA-semigroups
, 2013M. Akram, N. Yaqoob, Madad Khan
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On vector varieties of (n,m)-semigroups
, 2018Irena Stojmenovska, D. Dimovski
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