Published January 1, 2022 | Version v1
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RD-projective module whose subprojectivity domain is minimal

  • 1. Cukurova Univ, Dept Math, Adana, Turkey

Description

A p-indigent module is one that is subprojective only to projective modules. An RD -projective module is subprojective to any torsionfree (and flat) module. An RD-projective module T is called rdp-indigent if it is subprojective only to torsionfree modules. In this work, we consider the structure of SRDP rings whose (simple) RD-projective right R -modules are rdp-indigent or torsionfree. Moreover, new characterizations of P-coherent rings and torsionfree rings are presented by subprojectivity domains.

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