Parabolic conjugacy class in finite reductive groups and its additive analogue
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866918417174364160 |
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| author | Nam, GyeongHyeon |
| author_facet | Nam, GyeongHyeon |
| contents | In this paper, we answer the question posed by Goodwin and Röhrle for reductive groups and their parabolic subgroups. In addition, we consider an additive analogue of this problem. By studying this additive analogue, we identify similar properties between the Deligne-Lusztig character of a finite reductive group and the Harish-Chandra induction over the corresponding finite Lie algebra. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_28303 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Parabolic conjugacy class in finite reductive groups and its additive analogue Nam, GyeongHyeon Representation Theory 20C33, 17B45 In this paper, we answer the question posed by Goodwin and Röhrle for reductive groups and their parabolic subgroups. In addition, we consider an additive analogue of this problem. By studying this additive analogue, we identify similar properties between the Deligne-Lusztig character of a finite reductive group and the Harish-Chandra induction over the corresponding finite Lie algebra. |
| title | Parabolic conjugacy class in finite reductive groups and its additive analogue |
| topic | Representation Theory 20C33, 17B45 |
| url | https://arxiv.org/abs/2603.28303 |