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IMI/Publicaţii/QRS/Ediţii/QRS v.14, n.2 (16), 2006/

On primal ideals over semigroups

Authors: S. E. Atani and A. Y. Darani

Abstract

Let S be a commutative cancellation torsion-free additive semigroup with identity 0 and let S != {0}. This paper is devoted to study some properties of primal ideals and quasi- primary ideals of the semigroup S. First, a number of results concerning of these ideals are given. Second, we characterize primal ideals and quasi-primary ideals of a Prüfer semigroup and show that in such semigroup, the three concepts: primary, quasi-primary, and primal coincide.

S. E. Atani
Department of Mathematics,
University of Guilan,
P.O. Box 1914, Rasht,
Iran.
E-mail:
__________________-
A. Y. Darani
Department of Mathematics,
University of Guilan,
P.O. Box 1914, Rasht,
Iran.
E-mail:



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