• Title/Summary/Keyword: Near-rings

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SEMIPRIME NEAR-RINGS WITH ORTHOGONAL DERIVATIONS

  • Park, Kyoo-Hong;Jung, Yong-Soo
    • The Pure and Applied Mathematics
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    • v.13 no.4 s.34
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    • pp.303-310
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    • 2006
  • M. $Bre\v{s}ar$ and J. Vukman obtained some results concerning orthogonal derivations in semiprime rings which are related to the result that is well-known to a theorem of Posner for the product of two derivations in prime rings. In this paper, we present orthogonal generalized derivations in semiprime near-rings.

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ON SEMIDERIVATIONS IN 3-PRIME NEAR-RINGS

  • Ashraf, Mohammad;Boua, Abdelkarim
    • Communications of the Korean Mathematical Society
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    • v.31 no.3
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    • pp.433-445
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    • 2016
  • In the present paper, we expand the domain of work on the concept of semiderivations in 3-prime near-rings through the study of structure and commutativity of near-rings admitting semiderivations satisfying certain differential identities. Moreover, several examples have been provided at places which show that the assumptions in the hypotheses of various theorems are not altogether superfluous.

STRUCTURE OF 3-PRIME NEAR-RINGS SATISFYING SOME IDENTITIES

  • Boua, Abdelkarim
    • Communications of the Korean Mathematical Society
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    • v.34 no.1
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    • pp.17-26
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    • 2019
  • In this paper, we investigate commutativity of 3-prime near-rings ${\mathcal{N}}$ in which (1, ${\alpha}$)-derivations satisfy certain algebraic identities. Some well-known results characterizing commutativity of 3-prime near-rings have been generalized. Furthermore, we give some examples show that the restriction imposed on the hypothesis is not superfluous.

R-HOMOMORPHISMS AND R-HOMOGENEODS MAPS

  • Cho, Yong-Uk
    • Journal of the Korean Mathematical Society
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    • v.42 no.6
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    • pp.1153-1167
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    • 2005
  • In this paper, all rings and all near-rings R are associative, all modules are right R-modules. For a near-ring R, we consider representations of R as R-groups. We start with a study of AGR rings and their properties. Next, for any right R-module M, we define a new concept GM module and investigate the commutative property of faithful GM modules and some characterizations of GM modules. Similarly, for any near-ring R, we introduce an R-group with MR-property and some properties of MR groups.

A STUDY ON ANNIHILATOR CONDITIONS OF POLYNOMIALS

  • Cho, Yong-Uk
    • Bulletin of the Korean Mathematical Society
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    • v.38 no.1
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    • pp.137-142
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    • 2001
  • In this paper, we initiate the study of some annihilator conditions on polynomials which were used by Kaplansky [4] to abstract algebras of bounded linear operators on a Hilbert spaces with Baer condition. On the other hand, p.p. rings were introduced by A. Hattori [3] to study the torsion theory. The purpose of this paper is to introduce near-rings with Baer condition and near-rings with p.p. condition which are somewhat different from the ring case, and to extend a results of Armendarz [1] to polynomial near-rings with Baer condition in somewhat different way of Birkenmeier and Huang [2].

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A STUDY ON R-GROUPS WITH MR-PROPERTY

  • CHO YONG UK
    • Journal of applied mathematics & informatics
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    • v.18 no.1_2
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    • pp.573-583
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    • 2005
  • In this paper, all near-rings R are left near-rings and all representations of R are (right) R-groups. We start with a study of AR, almost AR and AGR rings which are motivated by the works on the Sullivan's Problem [10] and its properties. Next, for any R-group G, we introduce a notion of R-groups with M R-property and investigate their properties and some characterizations of these R-groups. Finally, for the faithful M R-property, we get a commutativity of near-rings and rings.

SOME RESULTS ON GAMMA NEAR-RINGS

  • Cho, Yong Uk
    • Journal of the Chungcheong Mathematical Society
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    • v.19 no.3
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    • pp.225-229
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    • 2006
  • In this paper, we introduce some concepts of ${\Gamma}$-near-ring and obtain their properties on ${\Gamma}$-near-rings through regularity conditions.

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ON STRONG REGULARITY AND RELATED CONCEPTS

  • Cho, Yong-Uk
    • Journal of applied mathematics & informatics
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    • v.28 no.1_2
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    • pp.509-513
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    • 2010
  • In this paper, we will investigate some properties of strongly reduced near-rings. The purpose of this paper is to find more characterizations of the strong regularity in near-rings, which are closely related with strongly reduced near-rings.

EXTENSIONS OF FUZZY IDEALS IN NEAR-RINGS

  • Lee, Young Chan;Hur, Chang Kyu
    • Journal of the Chungcheong Mathematical Society
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    • v.10 no.1
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    • pp.1-7
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    • 1997
  • We characterize fuzzy ideals in near-rings and extensions of such ideals with the sup property.

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WEAKLY B-REGULAR NEAR-RINGS

  • Chelvam Thirugnanam Tamizh;Cho Yong-Uk
    • The Pure and Applied Mathematics
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    • v.13 no.2 s.32
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    • pp.157-165
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    • 2006
  • The notion of regularity in near-ring was generalized by the concept of b-regular and some characterizations of the same was obtained through the substructures viz bi-ideals in near-rings. In this paper, we generalize further and introduce tile notion of weakly b-regular near-rings and obtain a characterization of tile same.

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