Abstract
We define a module M to be (Formula presented.) -extending if for each exact submodule X of M there exists a direct summand D of M such that (Formula presented.) is essential in both X and D. We investigate (Formula presented.) -extending modules and locate the implications between the other extending properties. We study decomposition theory and extensions for (Formula presented.) -extending concept. We show that if a ring is right (Formula presented.) -extending, then so its essential overring. It is shown that (Formula presented.) -extending property is inherited by its rational hull. We provide examples by making special choices of left exact preradicals.
| Original language | English |
|---|---|
| Pages (from-to) | 1363-1371 |
| Number of pages | 9 |
| Journal | Communications in Algebra |
| Volume | 50 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2022 |
Keywords
- ES-module
- Goldie-extending module
- exact submodule
- left exact preradical
- rational hull
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