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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.05757 |
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| _version_ | 1866909053785997312 |
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| author | Wu, Lin |
| author_facet | Wu, Lin |
| contents | Let $k$ be an algebraically closed field of a prime characteristic $p$. Let $G$ be a finite group. We investigate the Brauer indecomposability of Scott $kG$-modules in relation to the kernel of modules. We generalize a criterion for Brauer indecomposability. We also prove that, in certain cases, Brauer indecomposability of a Scott $kG$-module can be lifted from that of a Scott module over a $p$-local subgroup. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_05757 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Kernel of Scott modules and Brauer indecomposability Wu, Lin Representation Theory Let $k$ be an algebraically closed field of a prime characteristic $p$. Let $G$ be a finite group. We investigate the Brauer indecomposability of Scott $kG$-modules in relation to the kernel of modules. We generalize a criterion for Brauer indecomposability. We also prove that, in certain cases, Brauer indecomposability of a Scott $kG$-module can be lifted from that of a Scott module over a $p$-local subgroup. |
| title | Kernel of Scott modules and Brauer indecomposability |
| topic | Representation Theory |
| url | https://arxiv.org/abs/2605.05757 |