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An efficient algorithm for the computation of Galois automorphisms
Author(s):
Bill
Allombert.
Journal:
Math. Comp.
73
(2004),
359-375.
MSC (2000):
Primary 11Y40
Posted:
July 17, 2003
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Abstract:
We describe an algorithm for computing the Galois automorphisms of a Galois extension which generalizes the algorithm of Acciaro and Klüners to the non-Abelian case. This is much faster in practice than algorithms based on LLL or factorization.
References:
-
- 1.
- John ABBOTT, Victor SHOUP and Paul ZIMMERMAN, Factorization in
: The Searching Phase (Carlo Traverso, ed.), Proc. ISSAC 2000, ACM Press, 2000, pp. 1-7. http://www.shoup.net/papers/asz.ps.Z. - 2.
- Vincenzo ACCIARO and Jürgen KLÜNERS, Computing Automorphisms of Abelian Number Fields, Math. Comp., 68, 1999, 1179-1186. MR 99i:11099
- 3.
- List of polynomials of the benchmark,
http://www.math.u-bordeaux.fr/~allomber/ nfgaloisconj_benchmark.html - 4.
- Henri COHEN, A Course in Computational Algebraic Number Theory, Graduate Texts in Mathematics, 138, Springer, 1993. MR 94i:11105
- 5.
- Marshall HALL, The theory of groups, Macmillan, New York, 1959. MR 21:1996
- 6.
- Jürgen KLÜNERS, Über die Berechnung von Automorphismen und Teilkörpern algebraischer Zahlkörper, Thesis, Technischen Universitat Berlin, 1997.
- 7.
- Jürgen KLÜNERS, On computing subfields--A detailed description of the algorithm, J. Théorie des Nombres Bordeaux, 10, 1998, 243-271. MR 2002c:11178
- 8.
- Jürgen KLÜNERS and Gunter MALLE, Explicit Galois realization of transitive groups of degree up to 15, J. Symb. Comput. 30, 2000, 675-716. MR 2001i:12005
- 9.
- M. DABERKOW, C. FIEKER, J. KLÜNERS, M. POHST, K. ROEGNER, M. SCHÖRNIG and K. WILDANGER, KANT V4, J. Symb. Comput., 24, 1997, 267-283. MR 99g:11150
- 10.
- W. BOSMA, J. CANNON and C. PLAYOUST, The Magma algebra system I: The user language, J. Symb. Comput., 24, 1997, 235-265. CMP 98:05
- 11.
- PARI, C. BATUT, K. BELABAS, D. BERNARDI, H. COHEN and M. OLIVIER, User's Guide to PARI-GP, version 2.2.1.
- 12.
- Xavier ROBLOT, Algorithmes de factorisation dans les extensions relatives et applications de la conjecture de Stark à la construction de corps de classes de rayon, Thesis, Université Bordeaux I, 1997.
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Additional Information:
Bill
Allombert
Affiliation:
Université Bordeaux I, Laboratoire A2X, 351 cours de la Libération, 33 405 Talence, France
Email:
allomber@math.u-bordeaux.fr
DOI:
10.1090/S0025-5718-03-01476-5
PII:
S 0025-5718(03)01476-5
Received by editor(s):
March 24, 2000
Posted:
July 17, 2003
Copyright of article:
Copyright
2003,
American Mathematical Society
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