Some remarks on paramedial semigroups

Authors

  • Petar V. Protić University of Niš, Faculty of Civil Engineering, Aleksandra Medvedeva 14, 18000 Niš, Serbia Author

Keywords:

(Weakly) externally commutative semigroups, congruence, semilattice decomposition

Subjects:

20N02

Abstract

Semigroups satisfying some type of generalized commutativity wereconsidered in quite a number of papers. S. Lajos, A. Nagy andM. Yamada dealed with externally commutative semigroups. N. Stevanović and P. V. Protić in[Structure of weakly externally commutative semigroups, Algebra Colloq. 13:3 (2006) 441-446],introduced the notion of weakly externallycommutative semigroup and gave a structural description for somesubclasses of this class of semigroups. In this paper we considera class which is a generalization of the class of externallycommutative semigroups.

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Published

2015-01-15

Issue

Vol. 67 No. 1 (2015): Vol. 67, Issue 1

Section

Articles

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