The Absolute Galois Group of a Rational Function Field in Characteristic Zero is a Semi-Direct Product
Canadian mathematical bulletin, Tome 27 (1984) no. 3, pp. 313-315

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Let K be a field of characteristic 0 and t an indeterminate. It is shown that the absolute Galois group of K(t) is the semi-direct product of a free profinite group with the absolute Galois group of K.
DOI : 10.4153/CMB-1984-047-4
Mots-clés : 12F05, 12F10
Dries, Lou Van Den; Ribenboim, Paulo. The Absolute Galois Group of a Rational Function Field in Characteristic Zero is a Semi-Direct Product. Canadian mathematical bulletin, Tome 27 (1984) no. 3, pp. 313-315. doi: 10.4153/CMB-1984-047-4
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[1] 1. Douady, A., Détermination d’un groupe de Galois. C.R. Acad. Sci. Paris, 258, 1964, 5305–5308. Google Scholar

[2] 2. van den Dries, L. and Ribenboim, P., Application de la théorie des modèles aux groupes de Galois de corps de fonctions. C. R. Acad. Sci. Paris, 288, 1979, 789–792. Google Scholar

[3] 3. van den Dries, L. and Ribenboim, P., Lefschetz principle in Galois theory. Queen’s Math. Preprint, No. 1976–5. Google Scholar

[4] 4. Krull, W. and Neukirch, J., Die Struktur der absoluten Galois gruppe über dem Korper ℝ(t). Math. Ann., 193, 1971, 197–209. Google Scholar

[5] 5. Ribes, L., Introduction to Profinite Groups and Galois Cohomology. Queen’s Papers in Pure and Applied Mathematics, 24, 1970, Kingston, Ontario, Canada. Google Scholar

[6] 6. Walker, R. J., Algebraic Curves. Princeton Univ. Press, 1950. Google Scholar

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