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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Complex specializations of the reduced Gassner representation of the pure braid group
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by Mohammad N. Abdulrahim PDF
Proc. Amer. Math. Soc. 125 (1997), 1617-1624 Request permission

Abstract:

We will give a necessary and sufficient condition for the specialization of the reduced Gassner representation $G_{n}(z): P_{n} \to GL_{n-1}(\mathbb {C})$ to be irreducible. It will be shown that for $z=(z_{1},\ldots ,z_{n})\in (\mathbb {C}^{*})^{n}$, $G_{n}(z)$ is irreducible if and only if $z_{1}\ldots z_{n} \neq 1$.
References
  • M. Abdulrahim, The Gassner Representation of the Pure Braid Group, Doctoral Thesis, The Pennsylvania State University, 1995.
  • Joan S. Birman, Braids, links, and mapping class groups, Annals of Mathematics Studies, No. 82, Princeton University Press, Princeton, N.J.; University of Tokyo Press, Tokyo, 1974. MR 0375281
  • Larry Dornhoff, Group representation theory. Part A: Ordinary representation theory, Pure and Applied Mathematics, vol. 7, Marcel Dekker, Inc., New York, 1971. MR 0347959
  • E. Formanek, Braid group representations of low degree, Proc. London Math. Soc. 73 (1996), 279–322.
  • Vagn Lundsgaard Hansen, Braids and coverings: selected topics, London Mathematical Society Student Texts, vol. 18, Cambridge University Press, Cambridge, 1989. With appendices by Lars Gæde and Hugh R. Morton. MR 1247697, DOI 10.1017/CBO9780511613098
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Additional Information
  • Mohammad N. Abdulrahim
  • Affiliation: Department of Mathematics, The Pennsylvania State University, University Park, Pennsylvania 16802
  • Email: mna@math.psu.edu
  • Received by editor(s): December 23, 1995
  • Additional Notes: The results in this paper were written under the direction of Professor Edward Formanek whose help and encouragement are greatly appreciated.
  • Communicated by: Ronald M. Solomon
  • © Copyright 1997 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 125 (1997), 1617-1624
  • MSC (1991): Primary 20F36
  • DOI: https://doi.org/10.1090/S0002-9939-97-04081-1
  • MathSciNet review: 1422839