P-Polyform Modules

Authors

  • Maria Mohammed Baher Department of Mathematics, College of Science for Women, University of Baghdad, Baghdad, Iraq
  • Muna Abbas Ahmed Department of Mathematics, College of Science for Women, University of Baghdad, Baghdad, Iraq https://orcid.org/0000-0003-2436-3765

DOI:

https://doi.org/10.24996/ijs.2024.65.4.33

Keywords:

Polyform modules, P-polyform modules, Rational submodules, P-rational submodules, Pure submodules, Essential submodules

Abstract

        An R-module M is called polyform if every essential submodule of M is rational. The main goal of this paper is to give a new class of modules named P-polyform modules. This class of modules are contained properly in the class of polyform modules. Several properties of this concept are introduced and compared with those which is known in the concept of polyform modules. Another characterization of the definition of P-polyform modules is given as an analogue to that in the concept of polyform modules. So we proved that a module M is P-polyform if and only if M)= 0, for each essential submodule N of M, which is pure in M, and a submodule K of M, with NÍKÍM. The relationships between this class of modules and some other related concepts are discussed such as monoform, QI-monoform, monoform, essentially quasi-Dedekind, essentially prime, purely quasi-Dedekind, ESQD and St-polyform modules. Furthermore, purely St-polyform is defined and its relationship with the P-polyform module is studied.

 

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Published

2024-04-30

Issue

Section

Mathematics

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