Geodesic
On Nonabelian H 2 for Profinite Groups
Canadian journal of mathematics, Tome 44 (1992) no. 2, pp. 388-399

Voir la notice de l'article provenant de la source Cambridge University Press

Let G be a profinite group. We define an extension (E, J) of G by a group A to consist of an exact sequence of groups together with a section j : G → E of K satisfying: for some open normal subgroup Sof G, and the map is continuous (A being discrete).
DOI : 10.4153/CJM-1992-026-6
Mots-clés : 20J05 
Ulbrich, K.-H. On Nonabelian H 2 for Profinite Groups. Canadian journal of mathematics, Tome 44 (1992) no. 2, pp. 388-399. doi: 10.4153/CJM-1992-026-6
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