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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2411.12410 |
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| _version_ | 1866917129654108160 |
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| author | Khlaif, Nasief Saleh, Mohammad |
| author_facet | Khlaif, Nasief Saleh, Mohammad |
| contents | Tight and essentially tight modules generalize weakly injective modules. Essential tightness requires embeddings to be essential. This restriction makes the two notions totally different. In this note, we investigate cases when those two notions are the same. Moreover, we look at the cases when essentiallity is imposed only on one of the embeddings rather than both. This allows defining a special class of tight and essentially tight modules and a generalization of both. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_12410 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Further Notes on Tightness Khlaif, Nasief Saleh, Mohammad Rings and Algebras Tight and essentially tight modules generalize weakly injective modules. Essential tightness requires embeddings to be essential. This restriction makes the two notions totally different. In this note, we investigate cases when those two notions are the same. Moreover, we look at the cases when essentiallity is imposed only on one of the embeddings rather than both. This allows defining a special class of tight and essentially tight modules and a generalization of both. |
| title | Further Notes on Tightness |
| topic | Rings and Algebras |
| url | https://arxiv.org/abs/2411.12410 |