Lifting Involutions in a Weyl Group to the Normalizer of the Torus
| Autor: | Adrian, Moshe |
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| Rok vydání: | 2021 |
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| Druh dokumentu: | Working Paper |
| Popis: | Let N be the normalizer of a maximal torus T in a split reductive group over F_q, and let w be an involution in the Weyl group N/T. We construct a section of W satisfying the braid relations, such that the image of the lift n of w under the Frobenius map is equal to the inverse of n. Comment: 4 pages. arXiv admin note: text overlap with arXiv:1912.07665 |
| Databáze: | arXiv |
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