Braid group action via GLn(q) and Un(q), and Galois realizations
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- Völklein, H. Israel J. Math. (1993) 82: 405. doi:10.1007/BF02808122
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We determine the braid group action on generating systems of a group that is the semi-direct product of a finite vector space with a group of scalars. This leads to Galois realizations of certain groups GLn(q) and PUn(q).