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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 with respect to join. The criteria of existence of such operations are indicated. Main properties of this operation and relations with the lattice operations in PR are shown. Some particular cases are mentioned.
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This page is a summary of: On partial inverse operations in the class of preradicals of modules, "Analele Universitatii ""Ovidius"" Constanta - Seria Matematica", June 2019, De Gruyter,
DOI: 10.2478/auom-2019-0017.
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