Some NECESSARY AND SUFFICIENT CONDITIONS OF COMULTIPLICATION MODULE
Abstract
In ring theory, if and be ideals of , then the multiplication of and , which is defined by is also ideal of . Motivated by the multiplication of two ideals, then can be defined a multiplication module, a special module which every submodule of can be expressed as the multiplication of an ideal of ring and the module itself, and can simply be written as . Furthermore, if the module become a comultiplication module. By the definition, it concludes that every comultiplication module is a multiplication module but the converse is not necessarily applicable.
Keywords: annihilator, ideal, module, comultiplication module, multiplication module, ring, submodule.
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References
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