Browsing Articole by Author "JARDAN, Ion"

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  • JARDAN, Ion (Universitatea Ovidius Constanta, 2019)
    In the present work two partial operations in the class of preradicals ℙℝ of the category R-Mod of left R-modules are defined and investigated. They are inverse operations for product with respect to meet and coproduct ...
  • JARDAN, Ion (Institutul de Matematică şi Informatică al AŞM, 2017)
    In the class PR of preradicals of the category of left R-modules RMod a new operation is defined and studied, namely the left quotient with respect to join. Some properties of this operation are shown, its compatibility ...
  • JARDAN, Ion (Institutul de Matematică şi Informatică al AŞM, 2017)
    In the present work a new operation, called left coquotient with respect to meet, in the class of preradicals PR of the category R-Mod of left R-modules is defined and investigated. It is dual to the studied earlier left ...
  • JARDAN, Ion (Institutul de Matematică şi Informatică al AŞM, 2017)
    In the operation of left coquotient with respect to meet for preradicals of R-Mod is defined. In the present short notice the particular case of pretorsions of R-Mod is considered. We prove that for pretorsions the studied ...

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